Finding Aids to Personal Papers and
Special Collections in the Smithsonian Institution Archives

Record Unit 7001
Joseph Henry Collection,
1808, 1825-1878, and related papers to circa 1903

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Historical Note

Chronology

Descriptive Entry

Series Descriptions

  Series 1. ABSTRACTED LIST OF LETTERS AND PAPERS OF JOSEPH HENRY (HENRYANA) AND INDEX CARDS OF HUNTINGTON-HENRY.

  Series 2. INDEX CARDS TO MICHELLE ALDRICH'S "CALENDAR OF THE UNKNOWNS."

  Series 3. COPIES OF HENRY PAPERS FROM HUNTINGTON.

  Series 4. OUTGOING LETTERS OF JOSEPH HENRY IN LETTERPRESS BOOKS, 1865-1878.

  Series 5. CORRESPONDENCE WITH JAMES H. COFFIN, 1842-1873 AND UNDATED.

  Series 6. INCOMING AND OUTGOING CORRESPONDENCE, 1800-1878 AND UNDATED.

  Series 7. POCKET AND DESK DIARIES AND NOTEBOOKS, 1835-1877; JOURNAL, 1826.

  Series 8. BOUND VOLUMES OF RESEARCH, SCIENCE, AND LECTURE NOTES; SCIENCE AND LECTURE NOTES; BOOKS OF LEVELS; "RECORD OF EXPERIMENTS," 1834-1862.

  Series 9. EULOGY OF ALEXANDER DALLAS BACHE BY JOSEPH HENRY.

  Series 10. ADDRESSES AND REPORTS; MATERIALS COMMITTED TO HONORING JOSEPH HENRY'S MEMORY.

  Series 11. SCIENTIFIC NOTES AND PRINTED MATERIALS, MANUSCRIPTS AND PAPERS, POETRY, STUDENTS' NOTES ON HENRY'S LECTURES, NOTEBOOKS FROM HENRY'S 1837 VISIT TO EUROPE.

  Series 12. LIGHT-HOUSE BOARD RELATED LETTERS, NOTEBOOKS, AND OTHER MATERIALS, 1855-1890 AND UNDATED.

  Series 13. LETTERPRESS BOOK, DECEMBER 1867-JANUARY 1876.

  Series 14. HONORS AND AWARDS, INVITATIONS AND NOTICES AND LOCKED BOOK EXTRACTS AS WELL AS CORRESPONDENCE, CLIPPINGS AND PASSPORTS.

  Series 15. PUBLICATIONS: BY JOSEPH HENRY, FROM THE JOSEPH HENRY LIBRARY, MEMORIALS AND AN AUTOBIOGRAPHY, AND INFORMATION ON THE TELEGRAPH.

  Series 16. MEMORIALS, OF JOSEPH HENRY AND OF JOSEPH SAXTON BY JOSEPH HENRY.

  Series 17. CORRESPONDENCE AND NON-CORRESPONDENCE PULLED FROM MARY HENRY PAPERS AND OTHER LOCATIONS.

  Series 18. MARY A. HENRY DIARIES, JOURNALS, AND NOTEBOOKS (AUTHORSHIP IS SOMETIMES QUESTIONABLE).

  Series 19. MARY A. HENRY MEMOIR

  Series 20. FAMILY PAPERS: HARRIET HENRY PAPERS, 1825-1879 AND UNDATED; HENRY CHILDREN, JAMES HENRY, STEPHEN ALEXANDER, AND OTHER RELATIONS, WILLIAM HENRY AND UNKNOWN.

  Series 21. INDEXES.

HISTORICAL NOTE

Joseph Henry (1797-1878), educator, investigator in physics, and first Secretary of the Smithsonian Institution, was born in Albany, New York, on December 17, 1797, to William and Ann Alexander Henry. He obtained a minimal education in Galway, where he lived for a time with his mother's brother, and in Albany. While in Galway Henry discovered the joy of reading and thus began his love of learning. After his father's death in 1811, Joseph returned to Albany and was apprenticed to John F. Doty, watchmaker and silversmith, where he worked until his master's business went under. During this time Henry also developed a strong interest in the theater and joined a group of young people who felt a similar calling. Until his chance encounter with Popular Lectures on Experimental Philosophy, Astronomy, and Chemistry by George Gregory turned him to science, Henry had planned a career in the theater.

As a result of his newly found interest in science, Henry set out to prepare himself for admittance into the advanced curriculum at the Albany Academy, an academic high school. He attended the Academy from 1819 until 1822, first passing the examination of the Academy with honors after seven months of preparation and then continuing on to more advanced studies. He took one year off during this time to teach in a rural school to earn money. This position was the only one for which he ever applied; thereafter employers would come to him.

For the ten years after Henry completed his education at the Albany Academy he was employed there in a variety of capacities ranging from lab assistant to teacher. During this time he was also a tutor of Henry James and of the children of General Stephen van Rensselaer. In 1825, Henry headed a leveling party that was engaged by New York State to assist in the preparation of new road sites from the Hudson River to Lake Erie. In the spring of 1826 he was elected to the professorship of mathematics and natural philosophy at the Academy. While in this position he began research in a comparatively new field dealing with the relation of electric currents to magnetism. His first notable scientific accomplishment was his improvement of William Sturgeon's electromagnet, which he achieved by both insulating individual coils and developing multi-layer coils. During this time he also developed an electromagnet with the capacity to lift 750 pounds.

In 1830 Henry married his cousin, Harriet Alexander, a daughter of his mother's brother. All told they had six children. Four lived through infancy, although the only son, William Alexander, died in 1862. Their three surviving daughters were Helen, Mary, and Caroline.

In 1831 Henry developed the "little machine," or the electromagnetic engine. During this year he constructed the first electromagnetic telegraph. He was also responsible for the completion of an electromagnet for Yale University with the capacity to lift 2,300 pounds. The following year Henry published the results from his experiments that proved magnetism could produce electricity. The article was published in the American Journal of Science and was titled "On the Production of Currents and Sparks of Electricity and Magnetism." His article also described his discovery of electromagnetic self-induction.

Henry received an appointment to the chair of natural philosophy at the College of New Jersey, (Princeton University) in October of 1832. That same year he constructed for Princeton a magnet with the capacity to lift 3,500 pounds. At Princeton Henry continued his scientific experiments in electricity and magnetism as well as conducting research in terrestrial magnetism, meteorology, and other geophysical topics. Henry continued to be interested in these fields the rest of his life. He was elected to the American Philosophical Society in 1835, and often served as an officer.

In 1837 Henry took his first voyage to Europe. While on his six-month trip he visited England, France, Scotland, and Belgium and had the opportunity to meet a number of scientists including Michael Faraday. It was this experience that caused Henry to resume his former level of scientific research, which had significantly diminished between 1832 and 1837. Between the years 1838 and 1842 Henry did a good deal of research into the induction of one current by another. He also participated in the investigation of solar radiation and the heat of sunspots as well as becoming interested in the cohesion of liquids and capillarity. On November 2, 1838, Henry made a presentation before the Philosophical Society in which he delivered a paper that described his discoveries of inducing currents of the third, fourth, and fifth orders.

Joseph Henry

On December 3, 1846, Henry's appointment from the Board of Regents to the office of Secretary of the new Smithsonian Institution was announced. He left Princeton for Washington on December 14, 1846, to assume his position as first Secretary of the Smithsonian. Henry intended to follow the letter of James Smithson's will, which had left the funds to the United States to establish the Smithsonian Institution for "the increase and diffusion of knowledge." To Henry that meant supporting knowledgeable and skilled persons doing original research and providing for the dissemination of the findings from those and other experiments through periodical publications. To encourage this Henry established a system for the exchange of publications between nations. This plan was presented to the Board of Regents on December 8, 1847, with his first report as Secretary and was titled Programme of Organization of the Smithsonian Institution.

The first major scientific undertaking of the Institution was the Smithsonian Meteorological Project, which directed the systematic collection of data from all over the United States. It was proposed with Henry's Programme of Organization, built into the budget in 1848, and begun in 1849. Between the years 1853 and 1855 Henry consolidated his position by dismissing assistant secretary Charles Jewett, the Institution's librarian. Initially the Regents had worked out a division of the Institution's funds between research and collection. Jewett had become the Institution's advocate for development of a national library. Henry believed as much of the funds as possible should be used for research, and that the library should be only for support. Henry was able to maintain control.

In 1858 the Institution began accepting the national collections from the United States government. Until this time Henry had resisted the assumption of the collections because he was concerned about the Institution becoming too much a part of the government and because of the cost of their maintenance. The acceptance of these materials brought with it the beginning of direct federal funding. Under Henry the Smithsonian gained its reputation as the nation's attic.

The cornerstone for the Smithsonian Castle was laid on May 1, 1847. The building was completed in 1858, although the Henry family began to inhabit the east wing in 1855. A fire on January 24, 1865, destroyed the Upper Main Hall and primary towers including Henry's offices in the south tower, taking with it many of Henry's papers, both personal and official.

The telegraph was a major point of contention in Henry's life. Samuel Morse was not the only individual who made discoveries along the lines of the electromagnetic telegraph; Henry was also a contributor. However, Morse patented the electromagnetic telegraph in 1840. Henry did not oppose Morse by applying for his own patent because he believed that patents prevented the sharing of scientific information. The telegraph controversy was finally settled in 1857 when an investigative board stated that Morse's claims against Henry were "positively disproved." In 1849 Henry was elected to the post of president of the American Association for the Advancement of Science, an organization he helped to found. Henry received an appointment to the Light-House Board at the time of its establishment in 1852. During the course of his capacities as a Light-House Board member Henry devoted himself to research and experimentation in the fields of sound, light, fog, fog signals, and illuminating oils. In recognition of his efforts Henry was appointed the board's chairman in 1871, a position he held to his death.

Henry was also an original member of the National Academy of Sciences, formed in 1863. In 1866 he became its vice-president and in 1868 its president. The Philosophical Society of Washington was founded in 1871. Henry was involved in its establishment and served as its president. He held both these positions until his death in 1878.

Henry's second trip to Europe was in 1870. While on this four-and-one-half month voyage he visited England, Scotland, Ireland, Belgium, Switzerland, France, and Germany. The main purpose of this expedition was to attend an international conference on the metric standard in Paris and to testify on the administration of science in London.

In 1871 the Institution supervised Professor John Wesley Powell's federal expedition of the Colorado River. The expedition not only surveyed the area but also collected specimens of various kinds. The Philadelphia Centennial Exhibition of 1876 also had a substantial impact on Henry's Institution. The display of specimens at the International Exposition was the major activity of the Institution in 1876. Items from the Exhibition became permanent parts of the Smithsonian's holdings. These items so expanded the collections that a new Material Museum Building was planned, which opened in 1879.

In December 1877 Joseph Henry became ill with nephritis, and on May 13, 1878 he succumbed to his illness. Congress approved the erection of a memorial statue on June 1, 1880. William W. Story's bronze likeness of Henry was unveiled on April 19, 1883. At the International Congress of Electricians held in Chicago during the 1893 World's Fair the standard unit of inductance was named the 'henry' in honor of Joseph Henry.

For more extensive information on Joseph Henry's life, see Joseph Henry--His Life and Work by Thomas Coulson, Princeton University Press, Princeton, 1950; Notes on the Life and Character of Joseph Henry by James C. Welling, Collins Printer, Philadelphia, 1878; A Memorial of Joseph Henry, Government Printing Office, Washington, 1880; Joseph Henry's Lectures on Natural Philosophy: Teaching and Research in Physics, 1832-1847 by Charles I. Weiner, University Microfilms, Ann Arbor, 1965; A Scientist in American Life: Essays and Lectures of Joseph Henry, edited by Arthur P. Molella, et.al., Smithsonian Institution Press, Washington D.C., 1980; and The Papers of Joseph Henry, edited by Nathan Reingold, Maaet.al., eleven volumes, Smithsonian Institution Press, Washington D.C., and Science History Publications, Sagamore Beach, MA, 1972-2006. For more detailed bibliographical information consult the articles on Joseph Henry by William F. Magie in the Dictionary of American Biography, Volume 4, pages 550-553, and by Nathan Reingold in the Dictionary of Scientific Biography, Volume 6, pages 277-281.

CHRONOLOGY

DESCRIPTIVE ENTRY

SERIES DESCRIPTIONS

SERIES 1.
ABSTRACTED LIST OF LETTERS AND PAPERS OF JOSEPH HENRY (HENRYANA) AND INDEX CARDS OF HUNTINGTON-HENRY.

This series contains Henryana. Henryana is an abstracted list consisting of 295 typewritten pages with in-depth descriptions of what is in the Joseph Henry Collection. In the letters section of Henryana each letter is given a paragraph. The first line of the paragraph tells whom the letter was to and whom it was from. The date and location of the writing of the letter are also told if known. What follows is a description of what information can be found in the letter. All the names mentioned in the letter are underlined for easy locating. Henryana also contains descriptions of other written materials in the collection including the Mary A. Henry Memoirs. The problem with Henryana is that the collection is no longer organized in the same manner and therefore, although the information is useful it is not easily accessible.

Box 1 of 65

Folder	1		Henryana (pages 1-50)
Folder	1A		Henryana (pages 51-100)
Folder	1B		Henryana (pages 101-150)
Folder	2		Henryana (pages 151-200)
Folder	2A		Henryana (pages 201-250)
Folder	2B		Henryana (pages 251-295)

SERIES 2.
INDEX CARDS TO MICHELLE ALDRICH'S "CALENDAR OF THE UNKNOWNS."

Box 2 of 65

• (Four 4 x 6 boxes)

SERIES 3.
COPIES OF HENRY PAPERS FROM HUNTINGTON.

This series contains copies of materials contained at the Henry E. Huntington Library, in Pasadena, California. The copies are of items that Rhees removed from the premises during the course of his employment at the Smithsonian Institution. After his death his wife sold the materials he had collected instead of returning them to the Smithsonian. Rhees had collected the materials in the hopes of someday writing a biography of Joseph Henry. The division primarily contains copies of letters, biographical and autobiographical data, and cards indexing the letters.

Box 3 of 65

Folder	1		Correspondence from Joseph Henry, 1847-1878 (copied from a letterpress book)
Folder	2		Correspondence from Alexander Dallas Bache, 1844-1863
Folder	3		Autobiographical data dictated to Rhees, January, 1869
Folder	4		Collected biographical information on Joseph Henry and an attempt at a biography
Folder	5		Miscellaneous notes
Folder	6		Index cards of Huntington-Henry

SERIES 4.
OUTGOING LETTERS OF JOSEPH HENRY IN LETTERPRESS BOOKS, 1865-1878.

The contents of the series have been placed on microfilm. Researchers should use the microfilm edition of the three letterpress books.

Box 4 of 65

Folder

1

Private letters written by Joseph Henry, February 13, 1865-July 15, 1869

Box 4A of 65

Folder	2		Private letters written by Joseph Henry, July 17, 1869-July 9, 1873
Folder	3		Private letters written by Joseph Henry, July 11, 1873-May 3, 1878
Folder	4		Index Private Book, undated

SERIES 5.
CORRESPONDENCE WITH JAMES H. COFFIN, 1842-1873 AND UNDATED.

This series contains letters written between James Coffin and Joseph Henry. The main interest of these letters is meteorology and astronomy. They are a prime example of the intellectual discussion and debate that took place between the great scientific minds of the period. The intellectual communication ended only with Coffin's death in February 1873.

Box 5 of 65

Folder	1		1842-1854
Folder	2		1855
Folder	3		1856
Folder	4		1857
Folder	5		1858
Folder	6		1859
Folder	7		1860
Folder	8		1861-1873
Folder	9		Miscellaneous

Box 6 of 65

• [No longer exists]

SERIES 6.
INCOMING AND OUTGOING CORRESPONDENCE, 1800-1878 AND UNDATED.

This series primarily contains correspondence written to Joseph Henry and by Joseph Henry. The correspondence covers the length of his professional life, from his days at the Albany Academy to his death while serving as Secretary of the Smithsonian Institution. The main subjects of the correspondence are science and experiment related. Specifically they regard the telegraph, electromagnetism, leveling, terrestrial magnetism, meteorology, astronomy, geophysics, and various topics in the general field physics. They help to illustrate Henry's increasing respect in the scientific community. The correspondence comes from many sources: from students, scientific organization members, university professors, and national and international scientists. In the first folder of box 7 there are a few letters written to Joseph Henry's father, William Henry, in the early years of Joseph Henry's life.

Box 7 of 65

Folder	1		1800-1824
Folder	2		1825
Folder	3		1826
Folder	4		1827
Folder	5		1829
Folder	6		1830
Folder	7		January-May 1831
Folder	8		June-December 1831
Folder	9		January-March 1832
Folder	10		April-June 1832
Folder	11		July-December 1832
Folder	12		January-June 1833
Folder	13		September-December 1833
Folder	14		January-June 1834
Folder	15		July-December 1834
Folder	16		January-June 1835
Folder	17		July-December 1835
Folder	18		January-June 1836
Folder	19		July-December 1836
Folder	20		January-March 1837
Folder	21		April-June 1837
Folder	22		July-December 1837
Folder	23		January-June 1838
Folder	24		July-September 1838
Folder	25		October-December 1838
Folder	26		January-March 1839
Folder	27		April-June 1839
Folder	28		July-December 1839
Folder	29		1840

Box 8 of 65

Folder	1		January-March 1841
Folder	2		April-June 1841
Folder	3		July-December 1841
Folder	4		January-March 1842
Folder	5		April-June 1842
Folder	6		July-September 1842
Folder	7		October-December 1842
Folder	8		January-June 1843
Folder	9		July-September 1843
Folder	10		October-December 1843
Folder	11		January - February 1844
Folder	12		March-June 1844
Folder	13		July-December 1844
Folder	14		January-March 1845
Folder	15		April-May 1845
Folder	16		June 1845
Folder	17		July-September 1845
Folder	18		October-December 1845
Folder	19		January-March 1846
Folder	20		April-June 1846
Folder	21		July-September 1846
Folder	22		October 1846
Folder	23		November-December 5, 1846
Folder	24		December 7-15, 1846
Folder	25		December 17-31, 1846
Folder	26		January-March 1847
Folder	27		April-May 1847
Folder	28		June-July 1847

Box 9 of 65

Folder	1		August-September 1847
Folder	2		October-December 1847
Folder	3		January 1848
Folder	4		February 1848
Folder	5		March 1848
Folder	6		April 1848
Folder	7		May 1848
Folder	8		June 1848
Folder	9		July 1848
Folder	10		August 1848
Folder	11		September 1848
Folder	12		October 1848
Folder	13		November 1848
Folder	14		December 1848
Folder	15		January 1849
Folder	16		February 1849
Folder	17		March 1849
Folder	18		April 1849
Folder	19		May 1849
Folder	20		June 1849
Folder	21		July 1849
Folder	22		August 1849
Folder	23		September 1849
Folder	24		October 1849
Folder	25		November 1849
Folder	26		December 1849

Box 10 of 65

Folder	1		January 1850
Folder	2		February 1850
Folder	3		March 1850
Folder	4		April 1850
Folder	5		May 1850
Folder	6		June 1850
Folder	7		July 1850
Folder	8		August 1850
Folder	9		September 1850
Folder	10		October 1850
Folder	11		November 1850
Folder	12		December 1850
Folder	13		January 1851
Folder	14		February 1851
Folder	15		March 1851
Folder	16		April 1851
Folder	17		May 1851
Folder	18		June 1851
Folder	19		July 1851
Folder	20		August 1851
Folder	21		September 1851
Folder	22		October 1851
Folder	23		November 1851
Folder	24		December 1851

Box 11 of 65

Folder	1		January 1852
Folder	2		February 1852
Folder	3		March 1852
Folder	4		April 1852
Folder	5		May 1852
Folder	6		June 1852
Folder	7		July 1852
Folder	8		August 1852
Folder	9		September and October 1852
Folder	10		November and December 1852
Folder	11		January-March 1853
Folder	12		April-June 1853
Folder	13		July-December 1853
Folder	13A		September 10, 1853 (added in Accession 99-073)
Folder	14		1854
Folder	15		1855-1856
Folder	16		1857-1858
Folder	17		Correspondence from James P. Espy, 1857
Folder	18		1859-1862
Folder	18A		Joseph Henry to Francis Joseph Kron, March 26, 1861 (added inAccession 03-067)
Folder	19		1863-1864
Folder	20		January-March 1865
Folder	21		April-June 1865
Folder	22		July-December 1865
Folder	23		January-June 1866
Folder	24		July-December 1866
Folder	25		January-June 1867
Folder	26		July-December 1867
Folder	27		January-June 1868
Folder	28		July-December 1868

Box 12 of 65

Folder	1		January-June 1869
Folder	2		July-December 1869
Folder	3		January-June 1870
Folder	4		July-December 1870
Folder	5		January-June 1871
Folder	6		July-December 1871
Folder	7		January-March 1872
Folder	8		April-December 1872
Folder	9		January-June 1873
Folder	10		July-December 1873
Folder	11		January-March 1874
Folder	12		April-December 1874
Folder	13		January-June 1875
Folder	14		July-December 1875
Folder	15		January-June 1876
Folder	16		July-December 1876
Folder	17		January-March 1877
Folder	18		April-December 1877
Folder	19		January-March 1878
Folder	20		April-May 1878
Folder	21		Undated, A-K
Folder	22		Undated, L-Z

SERIES 7.
POCKET AND DESK DIARIES AND NOTEBOOKS, 1835-1877; JOURNAL, 1826.

The information contained in this series spans a large portion of Joseph Henry's professional career and is mainly concerned with his scientific interests. The notebooks in this series contain information regarding his trips to Europe, including the names and addresses of persons he had met on his trips; other travel notes and thought; experimental notes; notes on fog, lard oil, terrestrial magnetism, the telegraph, and meteorology; and his jottings on his various thoughts as they occurred to him. The desk diaries contained in the series are records of who was seen or called upon, who was written to and whom letters were received from, as well as what transpired at various meetings and gatherings and what will need to happen at later get-togethers.

There is an extensive listing of the contents of the pocket notebooks, Joseph Henry Miniature Notebooks, located in the Joseph Henry Collection control file. There is also a paper by Liberty Lassiter entitled The Pocket Notebooks of Joseph Henry 1833-77.

Box 13 of 65

Folder	1		Journal, 1826. Notes of a tour from the Hudson River to Lake Erie in May and June of 1826. Canal Tower.
Folder	2		Pocket notebook, April-June 1833. Notes on terrestrial magnetism.
Folder	3		Pocket notebook, October 29, 1835. Notes on terrestrial magnetism.
Folder	4		Pocket notebook, post-1858. Equipment and experiment procedure notes.
Folder	5		Pocket notebook, 1837. Entry about visit with Dr. David Brewster; science experiment notes.
Folder	6		Pocket notebook, 1837. Drawings and notes pertaining to science.
Folder	7		Pocket notebook, circa 1870. Contains personal opinions of several subjects as well as notes on Addresses and scientific items and excursions and literature.
Folder	8		Pocket notebook, 1847. Henry's notes himself and lists of things to do.
Folder	9		Pocket notebook, 1848. Joseph Henry notation: "This notebook contains many of the germs of the operations of the S.I. jotted down not always at the time the idea was presented to the mind but generally so."
Folder	10		Pocket notebook, 1849. Contents similar that of the 1848 pocket notebook.
Folder	11		Pocket diary, 1851. Pocket sized weekly planner although it was also used as a notebook for personal notes. A Philadelphia and Trenton Railroad Co. free pass for Professor Henry and is dated 1848.

Box 13A of 65

Folder	12		Pocket notebook, 1854. Henry's notes to himself about what needs to be done and who and what he has seen. There are also sketches of apparatus.
Folder	13		Pocket notebook, post 1863. Nine pages on fog.
Folder	14		Pocket notebook, 1865. Principally concerning lard oil.
Folder	15		Pocket diary, 1865. Pocket diary used as a notebook for personal notes.
Folder	16		Pocket notebook, 1865-1866. Experiment at New Haven, Connecticut notes and trip entries.
Folder	17		Pocket notebook, 1866. Travel notebook from Henry's trip to Partridge Island, Canada.
Folder	18		Pocket notebook, 1867. Cover marked "Inspection of Oil and Inspection of Meters for Spirits."
Folder	19		Pocket notebook, 1867. Math problems and odd notes.
Folder	20		Pocket notebook, August-October 1868. Notes taken at Cambridge, Massachusetts concerning meteorology.
Folder	21		Pocket notebook, 1866-1868. Experiments at Sandy Hook, New Jersey.
Folder	22		Pocket notebook, May 1868, September 1872, May 1875. Inspection of oil.
Folder	23		Pocket notebook, August-October 1868. Personal and science related notes taken while vacationing and traveling.
Folder	24		Pocket notebook, 1869. Visit to Georgia.

Box 13B of 65

Folder	25		Pocket notebook, 1869. Six pages on Telegraph.
Folder	26		Pocket notebook, 1869, 1872. Science notes.
Folder	27		Pocket notebook, 1870. Concerns second trip to Europe.
Folder	28		Pocket notebook, circa 1870. This notebook contains the names and addresses of men, most of who reside abroad. These names are listed under the heading of "Private Correspondence."
Folder	29		Pocket notebook, 1871. Barometer data book with no data entries, contains only words and numbers on front inside cover and math problems on back inside cover.
Folder	30		Pocket diary, 1871. Pocket diary used primarily as a notebook.
Folder	31		Pocket mini-notebook, 1871. Notes on beginning journey to Baltimore, dimensions of rails, and a list of seven men.
Folder	32		Pocket notebook, 1873. Relative to investigations of abnormal phenomena of sound, primarily at lighthouses.
Folder	33		Pocket mini-notebook, 1874. Notes taken while traveling to and at Little Gull and Race Rock.
Folder	34		Pocket notebook, 1874. Contains lists and plans as well as notes of what has been done and what needs to be done.
Folder	35		Pocket notebook of vacation notes, May-September 1875
Folder	36		Pocket notebook of vacation notes, September 1875

Box 13C of 65

Folder	37		Pocket notebook, circa 1876. Concerns experiments on sound at Gull Island. Notes on missionaries, Indians, and grammar and dictionary preparation.
Folder	38		Pocket notebook, February 1876. Cover marked "Notes on Burners." The burners are those of Elihu Doty and Isaac Funck. Handwriting in notebook does not appear to be that of Joseph Henry.
Folder	39		Pocket notebook, August 1876. Relative to experiments on fog signals and the aerial echo.
Folder	40		Pocket notebook, September 1876. Notes relative to lighthouses.
Folder	41		Pocket notebook, 1877. Contains notes on experiments on oil, predominantly Pease oil. Also concerns the introduction of kerosene oil.
Folder	42		Pocket notebook, 1877. Relative to experiments on fog signals. Also contains a calling card from Edward Hamilton that lists on the back the men who participated in the tunnel observations on September 8, 1877.
Folder	43		Pocket notebook, December 1867, September 1869, September 1874. This notebook is primarily concerned with experiments on different fog signals.
Folder	44		Pocket notebook map of routes between Paris and London.

Box 14 of 65

Folder	1		Desk diary, 1849
Folder	2		Desk diary, 1850
Folder	3		Desk diary, 1852
Folder	4		Desk diary, 1858
Folder	5		Desk diary, 1859
Folder	6		Desk diary, 1865
Folder	7		Desk dairy, 1866

Box 15 of 65

Folder	1		Desk diary, 1867
Folder	2		Desk diary, 1868
Folder	3		Desk diary, 1870
Folder	4		Desk diary, 1871
Folder	5		Desk diary, 1872

Box 15A of 65

Folder

6

Desk diary, 1875-1876

SERIES 8.
BOUND VOLUMES OF RESEARCH, SCIENCE, AND LECTURE NOTES; SCIENCE AND LECTURE NOTES; BOOKS OF LEVELS; "RECORD OF EXPERIMENTS," 1834-1862.

A typescript copy of selected passages from Joseph Henry's notes on magnetic induction can be found in the Smithsonian Archives' reading room. Albert Gluckman prepared this typescript.

Box 16 of 65

Bound Volumes of Science and Research Notes and Lectures

Box 16A of 65

Folder	7		Natural philosophy notebook: principally mechanics. Table of contents of lectures and pages on inside cover.
Folder	8		Architecture notebook
Folder	9		Architecture notebook
Folder	10		Architecture notebook
Folder	11		A.S. Campbell's student notebook on natural philosophy, volume II (Lectures 30-45; 1,5,6); second half of notebook used by Henry

Box 17 of 65

Folder	1		Anonymous student notebook on natural philosophy, volume I
Folder	2		Anonymous student notebook on natural philosophy, volume II
Folder	3		Sylvester van Syckel student notebook on natural philosophy
Folder	4		Anonymous student notebook on natural philosophy
Folder	5		Science notes, "Aurora 22.23.57-62"
Folder	6		Theory of electricity notebook, H.C. Pitney translation of Hauy
Folder	7		Science notebook, "For the composition of an unchangeable cement"

Box 17A of 65

Folder	8		Research notebook with index in front cover. "J. Henry" on cover and end papers.
Folder	9		Lecture notes, "See for Mr. Espy how blew..."
Folder	10		Notebook of magnetic intensity and weather data
Folder	11		"Stereographic projection of the sphere," September 1, 1821
Folder	12		"Astronomical Problems," November 22, 1821
Folder	13		Addresses of persons in Europe. Address book.

Box 18 of 65

Lectures and Notes by Joseph Henry

Box 18A of 65

Folder	13		Geology course
Folder	13A		Geology course
Folder	14		C. M. Wetherill and Joseph Henry Experiments on flow of liquids, 1865-1866

Box 19 of 65

Folder	1		Electricity and magnetism notes
Folder	2		Notes on electricity
Folder	3		Lectures on friction
Folder	4		Notes by W. B. Taylor and W. L. Nicholson
Folder	5		Notes by W. L. Nicholson
Folder	6		Optics
Folder	7		Notes for lectures on magnetism, galvanism, and electricity
Folder	8		Notes of a paper on electricity
Folder	9		Miscellaneous jottings
Folder	10		Miscellaneous electricity and magnetism notes; closing lecture
Folder	11		Miscellaneous
Folder	12		Lectures

The Peabody Lectures can be found in Essays and Lectures of Joseph Henry.

Box 20 of 65

Books of Levels

Box 20A of 65

Folder	14		Books of levels; Numbers 8,9,10,11,1,3,2. Book of Levels from between Binghamton and Owego to the town of Barton on the state road survey.
Folder	15		James Henry's books of levels
Folder	16		Book of Levels Number 3 from never-sink (State road survey) [copy]
Folder	17		Pocket notebook, undated. Contains a map, accounts, lists of names, and Manner of Making the Great Cumberland road.

Box 21 of 65

Record of Experiments. Record of Experiments Volumes I-III have been published with, and as part of, The Papers of Joseph Henry.

Box 21A of 65

Folder	3		Volume III
Folder	4		Data pamphlet, 1837-1839

Box 22 of 65

Electricity, Magnetism, and Telegraph Notes

Box 23 of 65

Folder	1		Electricity and magnetism notes I
Folder	2		Electricity and magnetism notes II
Folder	3		Electricity and magnetism notes III
Folder	4		Telegraph notes I
Folder	5		Telegraph notes II
Folder	5A		Telegraph notes II

Box 23A of 65

Folder	6		Telegraph notes III
Folder	7		Telegraph notes IV
Folder	8		Handwritten page regarding Morse

SERIES 9.
EULOGY OF ALEXANDER DALLAS BACHE BY JOSEPH HENRY.

This series contains the various drafts and final copies of the eulogy of Alexander Dallas Bache that was prepared by Joseph Henry. Bache was born on July 19, 1806 and died on February 17, 1867. During his life he worked primarily in the in the field of physics, especially geophysics. Henry and Bache had become friends during the years when Henry was at Princeton and Bache was at the University of Pennsylvania, they remained close friends until Bache's death. Like Henry, Bache was a member of the American Philosophical Society, National Academy of Sciences, and the Light-House Board. Bache was also a member of the Smithsonian Institution's Board of Regents and was involved in persuading Henry to leave his position at Princeton and accept the Smithsonian appointment.

Box 24 of 65

Folder	1		Eulogy of A.D. Bache by Joseph Henry. Early draft work I.
Folder	2		Eulogy of A.D. Bache by Joseph Henry. Early draft work II.
Folder	3		Eulogy of A.D. Bache by Joseph Henry. Later draft work III.
Folder	4		Eulogy of A.D. Bache by Joseph Henry. Published and longhand copies.

SERIES 10.
ADDRESSES AND REPORTS; MATERIALS COMMITTED TO HONORING JOSEPH HENRY'S MEMORY.

This series' contents are primarily addresses given by Henry and reports written by Henry. There are also drafts of articles and other scientific writings as well as several eulogy drafts. Towards the end of this series are located materials from after Henry's death in 1878: newspaper clippings of obituaries, information regarding the Joseph Henry Fund, a Henry Portrait, the 'henry' and the Henry Medallion, and recollections of Joseph Henry collected by Mary Henry and William Jones Rhees.

Box 25 of 65

Addresses and Reports

Box 25A of 65

Folder	19		Ventilation reports and addresses
Folder	19A		Ventilation reports and addresses
Folder	19B		Ventilation reports and addresses

Box 26 of 65

Folder	1		Chair of Mathematics at Albany Academy acceptance draft, 1826
Folder	2		Fielding Bradford Meek funeral, December 22, 1876
Folder	3		Address to the association, undated
Folder	4		Different sensibilities of eyes, undated
Folder	5		Ice period, undated
Folder	6		Columbia Institute for Deaf and Dumb (Gallaudet), November 16, 1864
Folder	7		Remarks by grave of Joseph Priestly [1874]. This can be found in Essays and Lectures of Joseph Henry.
Folder	8		Works of practical mechanics, undated
Folder	9		Eulogy of James M. Gillis, 1865
Folder	10		Civil Engineering for the Government, undated
Folder	11		Anthropology, 1877
Folder	12		Explosion of steam boilers, post 1875
Folder	13		Speech at Tyndall Banquet in honor of John Tyndall, February 1873
Folder	14		Notes of lecture on Change, undated
Folder	15		Rainfall in the United States, at a meeting in England, 1871
Folder	16		National Deaf-Mute College, April 19, 1876
Folder	17		Speech at dinner of Chamber of Commerce, New York, undated
Folder	18		Letter about Scientific Investigations of Joseph Henry while at Princeton, December 4, 1876
Folder	19		Draft of article on Induction
Folder	20		Lectures on the Smithsonian Institution before the Metropolitan Mechanics Institute [1853]. This can be found in Essays and Lectures of Joseph Henry.
Folder	21		Eulogy of Charles Willson Peale [1827]
Folder	22		Philosophical Society of Washington, 1871
Folder	23		Philosophical Society of Washington, 1874

Box 27 of 65

Folder	1		Philosophical Society of Washington, November 24, 1877.
Folder	2		Philosophical Society of Washington, Resolution on death of Louis Agassiz, undated.
Folder	3		Philosophical Society of Washington acceptance address draft, November 20, 1874
Folder	4		Philosophical Society of Washington acceptance draft, 1874
Folder	5		Philosophical Society of Washington address, 1872, 1877
Folder	6		Certificates noting the reception of materials by the Smithsonian Institution from the Academy of Natural Sciences, Philadelphia, 1855-1865

Materials Committed to Honoring Joseph Henry's Memory

SERIES 11.
SCIENTIFIC NOTES AND PRINTED MATERIALS, MANUSCRIPTS AND PAPERS, POETRY, STUDENTS' NOTES ON HENRY'S LECTURES, NOTEBOOKS FROM HENRY'S 1837 VISIT TO EUROPE.

This series contains loose notes, notebooks, poetry, a manuscript, and other materials. Henry prepared all the materials found in this series, unless otherwise noted.

Box 28 of 65

Folder	1		Scraps of great importance from Albany Academy
Folder	2		Miscellaneous scientific notes
Folder	3		On frauds, Charlatans, etc. by Joseph Henry, undated
Folder	4		Miscellaneous
Folder	5		Scientific Notes
Folder	6		Unsorted material and scientific notes
Folder	6A		Unsorted material and scientific notes
Folder	6B		Unsorted material and scientific notes
Folder	6C		Unsorted material and scientific notes
Folder	7		Albany Academy Miscellaneous Accounts, 1830-1831
Folder	8		Notes by Mary Henry on Joseph Henry's Association with the Albany Academy
Folder	9		Albany Academy Accounts for philosophical apparatus, 1827-1831
Folder	10		Apparatus related paper, August 1847 and correspondences, 1865-1866
Folder	11		Accounts 1837-1838

Box 29 of 65

Folder	1		Morse's application to renew patent on telegraph, 1854
Folder	2		Copies of Morse's patent, 1840 and 1846
Folder	3		Telegraph notes, 1850
Folder	4		Telegraph notes regarding Morse's patent, etc., 1826-1840
Folder	5		Telegraph notes, various dated
Folder	6		Telegraph memoranda and notes, undated
Folder	7		Telegraph notes, undated

The manuscript contained in Folders 8 through 12 regards Henry's 1837 visit to Europe and contains copies of his notebook and diary entries while there.

Box 30 of 65

Folder	1		Smithsonian Institution notes and papers (Miscellaneous)
Folder	2		Meteorology (Auroras) A
Folder	3		Meteorology (Auroras) B
Folder	4		Religion
Folder	5		Moral and Philosophical
Folder	6		Education
Folder	7		Thoughts on Architecture. [1849] The contents of this folder can be found in the Essays and Lectures of Joseph Henry.
Folder	8		Weights and Measures
Folder	9		Power
Folder	10		Light and Vision
Folder	11		Liquids and Capillarity
Folder	12		Sound
Folder	13		Henry papers
Folder	14		Henry. Miscellaneous, small pieces for experiments.
Folder	15		Smithsonian Institution Account by Henry, 1853
Folder	16		Henry Illustrative Material
Folder	17		Poetry

Box 31 of 65

Folder	1		Halsey notes on Philosophy, 1841-1842 Volume I
Folder	2		Halsey notes on Philosophy, 1841-1842 Volume II
Folder	3		William Cattell notes on Natural Philosophy, 1847
Folder	4		Notes on Philosophy [Oversize removed to Box 31A]
Folder	5		Student Work

Box 31A of 65

Folder

1

Notes on Philosophy

Box 32 of 65

Folder	1		Notebook from 1837 trip to Europe, Volume I
Folder	2		Notebook from 1837 trip to Europe, Volume II
Folder	3		Notebook from 1837 trip to Europe, Volume III

SERIES 12.
LIGHT-HOUSE BOARD RELATED LETTERS, NOTEBOOKS, AND OTHER MATERIALS, 1855-1890 AND UNDATED.

The materials contained in this series are related to the Light-House Board. President Fillmore established the Light-House Board in 1852. It was at this time that Henry was appointed be a part of the Board. He continued to serve the Board in various capacities until the time of his death in May 1878. Henry did experimental and test work regarding light, sound, and fog signals, and lard and sperm oils. His Light-House Board work, along with other materials and letters, are contained in this series.

Box 33 of 65

Folder	1		1855-1858. Light-House at Point Bonita, North Head, San Francisco Bay California 1855-1856; Pamphlet titled "Instructions for testing sperm oil for the United States Light-House Establishment," 1858.
Folder	2		1861-1863. A list of the number of hours of fog at the stated days and the force and direction of the wind, July 1861 and August 1863; Data note 1862; Joseph Henry on Oils, in Boston, Ma. September 28, 1863; Diagram of expansion of oil, December 1, 1863; Printed letter from Levin Myne Powell, U.S.N., to the members of the board on Fog-Signals, 1863; Statement of the number of hours of fog on the days stated, with the force and direction of the wind, September 1863-September 1866.
Folder	3		June 1864. Report of Professor Henry in behalf of the Committee on Experiments relative to inspection of Lard Oil. June 6; Buildings Special Committee on Staten Island, New York. June 6; Prevention of Damage to Vessels by Worms, June 11.
Folder	4		1865. Substituting Steam Whistles for Fog-bells at certain stations, January 21; Letter Henry from William A. Goodwin, March 13; Letter from Gisborne Paint Co. to Henry, March 20; Scrap of paper with paint sample, March 21; Office Light-House Engineer 3rd District, July 11; Fog-Signals, July 13; Observations on "Sunbeam" and "Narragansett," October 14; Observations on "Sunbeam," October 17; Memoranda, December 12; E. McKinney's method of burning petroleum.
Folder	5		1866. Griffiths Standard Head Light Oils, January 5; Letter to Andrew A. Harwood from Benjamin H. Lightfoot, January 24; Letter to Henry from W. A. Goodwin, February 1; Letter to W. B. Shubrick from John Allen, February 23; Experiments on candles, gas, lamps, etc., April 5; Report by Henry on Lard Oil offered by the N.Y. Manhattan Oil Company, April 20; Note by Charles M. Cresson, May 7; Letter to W. B. Shubrick from Dr. A. C. Vaughan, May 11; Oil from Meprs Vaughan and Guthrie by Henry, May 18; Letter to Henry from W. A. Goodwin, June 19; Letter to Henry from L. M. Powell, June 20; Telegram to Henry from L. M. Powell, July 5; Letter to L. M. Powell from Henry, July 7; Page from letterpress book, September 27; Letter to Henry from W. A. Goodwin, October 27; Letter to Henry from W. A. Goodwin, November 10; Letter, November 17; Ten Horse Power Steam Engine, December 3.
Folder	6		Report by Joseph Henry on the oil offered for inspection by the Manhattan Oil Co., 1866
Folder	7		1867. Kerosene lamp notes, March 14; Letter connected with J. Allen, March 18; Lamp notes dated March 21-22; Letter to John Torrey from John R. Wigham, March 23; Page dated April 16 to My Dear Dr. with no signature; Letter to Henry from John Butler, April 19; Letter to Henry from C. Tiers Myers, April 13; Letter to W. B. Shubrick from C. T. Myers, May 18; Letter to Henry from Gould Machine Co. dated May 24; Specific Gravity of Building Stone Offered for Waugashance Light House, August 9; Letter to Henry from H. Wilde, September 11; Letter to Henry from A. A. Harwood, September 28; Letter to Henry from Joseph Lederle, October 26; Letter to Henry from A. A. Harwood, December 10.
Folder	8		Oil offered for Inspection by the Manhattan Oil Co. N.Y. Submitted by Henry, April 19, 1867.
Folder	9		Lard Oil Offered by Manhattan Co. Submitted by Henry, September 26, 1867.
Folder	10		Trial of Fog-Signal, October 10-18, 1867. Both original and copy.
Folder	11		1868-1869. Photometric power of various kinds of lamps as compared with a standard sperm candle, October 30, 1868; Cover note for the trial of lamps dated November 3, 1868; Experiments in the Laboratory at the Staten Island Depot submitted by Henry, November 20, 1868; Small Lamps for Lard Oil on Lake Champlain, submitted by Henry, January 8, 1869; Letter to Captain A. Ludlow Case from John W. Williams, January 26, 1869; Petroleum Oil Use in Light-Houses submitted by Henry, February 12, 1869; Letter to Honorable O. N. Browning from Alex W. Randall, March 13, 1869; Fog-Signal at Yarmouth, Nova Scotia, submitted by Henry, May 21, 1869; J. R. Wigham's Patent Gas Apparatus submitted by Henry, June 7, 1869; Note dated June 30, 1869; Joseph Funck patent materials, August 17, 1869; Letter to W. B. Shubrick from J. E. Todhunter, September 18, 1869; Letter to Henry from J. Edmundson, October 23, 1869; Note relative to Light-House Board dated 1869.
Folder	12		Abstract of expenditures of oil, wicks, and chimneys, March 31, 1869-December 31, 1871
Folder	13		1870-1871. Letter to Henry from W. B. Shubrick, May 10, 1870; Letter to Robert Allen Esq. from Henry, 13, December 1870; Letter to Henry from A. C. Beazeley, September 28, 1871; Data chart dated, October 16, 1871; Report on Oil by Henry, October 1, 1871; Report on Light on Western Rivers, November 27, 1871.
Folder	14		Experiments upon Steam Whistles, made at Light House Depot, House Ld. Portland Harbor, Maine 1871 written on February 2, 1872
Folder	15		1872. Letter to Henry from C. Chandler, January 2; William M. Habirshaw note, January 12; Letter to Admiral Thornton A. Jenkins from Alex C. Beazeley, January 15; Letter to General J. C. Woodruff from J. Funck, January 24; Letter from A. C. Beazeley, February 23; March 15 The Grocery News and Oil Journal pages 115-116; Draft of letter to General James A. Garfield, March 21; Relative to the back work of the office of the Light-House Board, and a plan to bring it up within a year April and May; Letter to T. A. Jenkins from A. C. Beazeley, June 20; Letter to Henry from A. C. Beazeley, June 20; Letter to A. C. Beazeley from George H. Elliot, July 22; Letter to Henry from Arnold B. Johnson, October 21; Letter to Henry from J. H. Strong, October 26; Bond of Indemnity to Henry from Hector Bayer, October; Letter to Henry from William Harkness, November 9; One page of notes.
Folder	16		Originals of Professor Henry's on Sound and Fog-Signals, December 11, 1872

Box 34 of 65

Folder	1		1873. Pamphlet "Application de l'huile minerale mars 29; Note dated May 1873; Tables dated July 1873; Last page of a paper "Investigations in regard to sound and fog signals," August 27; Notes on Fog-Signal experiments, August; N.Y. Tribune piece "Academy of Sciences," by Henry, October 23; Letter, November 15.
Folder	2		Report on Inventions submitted to the Light-House Board as Improvements on Aids to Navigation by Henry, May 1873
Folder	3		January-September 1874. Letter from John Wiley & Son, March 10; Executive Order regarding Rules Regulating Admissions to the Light-House Board from President U. S. Grant, March 29; Improved Method of Lighting Bridges on Western Rivers by Henry, March 30; Extract from Board Minutes, June 17; Fog-Signals 3rd District, June; J. P. Colne's Claim for Work for Float Chambers for Funck Lamps by Henry, August 6; Fog by Henry, August 8; Letter to a Major Peter C. Hains from A. B. Johnson, September 18;
Folder	4		To be inserted in the appendix - Left out of the report of the Light-House Board, August 1874 (pages numbered 22-41)
Folder	5		Draft of a report to the Honorable Benjamin Helm Bristow, Secretary of the Treasury of the Light-House Board, September 15, 1874
Folder	6		Copy of an article by Henry on Fog-Signals for Barnard Cyclopedia, September 17, 1874
Folder	7		Data sheets connected with September 23 and 24, 1874 aboard the "Cactus," "Mistletoe," and "Putnam"
Folder	8		Memoranda of Woodruff and Davis from the September 1874 "Cactus, "Mistletoe," and "Putnam" journey
Folder	9		Draft of Investigation relative to Fog-Signals on board the "Putnam," August and September 1874
Folder	10		Small groups of pages not connectable to the larger groupings from September 1874 and "Cactus," "Mistletoe," and "Putnam"
Folder	11		Single pages or part of pages or crossed out pages from September 1874 and "Cactus," "Mistletoe," and "Putnam"
Folder	12		Report submitted to the Honorable B. H. Bristow, Secretary of the Treasury of the Light-House Board, September 1874
Folder	13		October-December 1874. Report of the Operations of the Light-House Board Relative to Fog-Signals, Henry, October; "Notes on the Experiments in French and English Wicks at L.H. Depot, November 7" (3 pages); Letter to Henry from J. C. Woodruff, November 10; For Joseph Henry, Light-House Board Report of the Secretary of the Treasury, November 27; French and English Dioptric Lights, November; A Synopsis of British Gas Lighting Compiled from the London Journal of Gas Lighting; "Penton's Reversible Memorandum Book;" Group-Flashing Lights by J. Hopkinson; John Tyndall's report.
Folder	14		January-April 1875. Letter to Henry from J. C. Woodruff, January 28; Letter to J. C. Woodruff from J. Funck, January 28; Letter to J. C. Woodruff from J. Funck, February 8; Letter to Henry from P. C. Hains, February 12; Letter to Light-House Board from Mrs. G. W. Thomson, March 16; Memoranda from Henry, March 18; Letter to Henry from J. G. Walker, April 1; Letter to Henry from J. G. Walker, April 3; Letter to B. H. Bristow from Henry, April 22; Letter to B. H. Bristow from Henry, April 27; Letter to B. H. Bristow from Henry, April 28.
Folder	15		May - July 1875. Funck's project to substitute lens apparatus for reflectors on light ships by Henry, May 6; Report on investigation relative to the use of mineral oil for Light-House purpose by Henry, May 26; Comparative Table of Mineral Oils, May 28; Letter to Henry from the Manager of Elain Oil, May 31; Lighthouse apparatus diagrams, May; Extract from Light House Board Minutes, June 2; Lard Oil consumption per hour, June 2; Letter to Henry from J. C. Woodruff, June 4; Letter to Henry from R. Allen, June 25; Information sheet, July 5; "Meyer's Electrical Fog-Signal" by Henry, July 9; Letter to Henry from Orrin Dinsmore L.H., July 9; Lamp experiment data tables, July 29; Notes from Light-House Depot, Staten Island, New York July 31.

Box 35 of 65

Folder	1		August 1875. Observations on board Light-House Steamer "Putnam," August 9; Instructions for 2nd experiment on board "Mistletoe" and "Putnam," August 9; Notes on Sound at Block Island, R.I., August 9; Notes taken on the 10th aboard "Putnam" and "Mistletoe;" Observations on board Light House Steamer "Putnam," August 10; List of figures, August 10; Letter to Henry from A. B. Johnson, August 28.
Folder	2		September 1875. Data and diagram sheets from the 2nd to the 8th at Little Gull Island connected with work from the "Mistletoe" and "Cactus;" Notes, data, and diagrams from Little Gull Island experiments from the "Mistletoe" and "Putnam," 2nd to 8th; Copy of letter to Captain C. P. Patterson from Henry, 16th; "Funck's and Doly's patents for Lamps for Mineral Oil in Lt. Houses," 18th.
Folder	3		Report materials connected with the "Cactus," "Mistletoe," and "Putnam" expeditions, August and September 1875; The investigations in August 1875 is in regard to sound in its relation to Fog-Signals at Block Island, R.I.; The investigation in regard to the effects of the wind (on sound); Experiments on the effect of elevations on the audition of sound; Experiments at Little Gull Island.
Folder	4		October - December 1875. Letter to Henry from J. C. Woodruff, October 30; Comparison between Balestier and Range lens, November 16; Letter to Henry from J. C. Woodruff, November 19; Letter to J. C. Woodruff from J. Funck, November 20; Letter to P. C. Hains from J. Kenward, November 22; Letter to Count D. de Sylva from J. Allen at Trinity House, November 24; Letter to Henry from P. C. Hains referring to the Committee on Experiments, papers relative to alleged inferiority of English Lenses, December 18; Diagrams relative to oil and lamps left out of the report 1875.
Folder	5		Investigations relative to Sound in its application to Fog-Signals in 1875, I ; Introduction pages 1-28; Investigations in August 1875 at Block Island, R.I., pages 29-54; Experiments on the effect of Elevation on the perception of Sound pages 55-80.
Folder	6		Investigations relative to Sound in its application to Fog-Signals in 1875, II; Investigations in regard to the effect of Wind on Sound at Block Island, R.I. pages, 81-105; Experiments at Little Gull Island, September 1875, pages 106-120; Experiments on the effect of Elevation on the perception of Sound at Little Gull Island, pages 120-134.
Folder	7		"Investigation Relative to Sound in its Application to Fog-Signals, by the U.S. Light-House Board, in 1875, Under Direction of the Chairman, Joseph Henry"
Folder	8		1876. Consumption of Lard and Kerosene Oils for the 1st and 2nd quarters of 1875-1876; Fauckners' Island Consumption of Kerosene 1875 and 1876; Letter to J. C. Woodruff from J. G. Walker, January 12; Letter to Henry from J. C. Woodruff, January 13; Letter to Henry from J. C. Woodruff, January 13; Letter to J. C. Woodruff from J. Funck, January 26; Letter to Henry from J. C. Woodruff, January 27; "S. 373. In the Senate of the United States, January 31, 1876;" Report on Lard and Mineral oils as light house illuminants, February 18; "S. 373. In the Senate of the United States, February 21, 1876;" Write up of Patent Office on J. Funck's improvements in burners for lighthouse lamps, March 22; Report on Illuminating Materials, April 8; Letter to Henry from W. P. McCann, April 24; "The Dioptric Lights of Chance brothers & Co.," May 1; Pocket notebook, June 29; Comparative Table of the Intensity of Lard and Mineral Oils, July; Experiments at Little Gull Island, August; Notes taken while at Little Gull Island, in August and September; Report on activities of summer of 1876; Letter to the Light-House Board from J. Williams, September 27; Letter to Henry from Dr. Stevenson, October 19; Diagram of the Caloric Engine, November 4; Write up of Patent Office on J. Funck's improvements in lamps, November 28.
Folder	9		Report of the Operations of the Light-House Board Relative to Fog-Signals by Henry, January 1877
Folder	10		1877. Report on Electric Lights for Buoys, March 13; Table of results of experiments on mineral oil, June 26-29; Note dated June 26; Accounts of Lard Oil and Kerosene Oil, June 30; "Researches at Light House Depot S.I. June 1877;" Letter to Henry from O. N. Brooks, August 4; Letter to Henry from P. C. Hains, August 14; Letter to Henry from J. C. Woodruff, August 16; Notes on Block Island, R.I. observations, August 17; Note to Francis S. Pease from Lockwood Bro's & Holly, August 30; "Report to the Board from Light House Depot," August 30; Letter to Henry from J. C. Woodruff, August 30; Letter to Henry from F. S. Pease, August 31; Draft of a report to the Light-House Board, August; Letter to Henry from O. N. Brooks (light keeper), September 1; Note to Henry from W. R. Close, September 12; Table of Intensities of Different Portions of Flames, December 6-7; Notes on light intensity of flames for December 6-7; Letter to O. W. Poe from Edmond L. Woodruff, December 15; Write up by Patent Office on J. Funck's improvements in lamps, February 8; Letter to P. C. Hains from C. S. Whitman; Introduction to Report of Light-House Board for 1877.

Box 36 of 65

Folder	1		1878-1879. 1 page letter regarding the return of an original once it had been read, January 22, 1878; Letter to Henry from J. G. Walker, February 6, 1878; Report of Inspection of Lot No. 1 Lard Oil, May 2, 1878; Letter to Secretary of the Treasury from George Dewey, May 21, 1878; Pages regarding Henry after the time of his death, May 1878; Letter recommending an appropriation to be paid as compensation for services rendered the government by the late Professor Joseph Henry as a member of the Light-House Board, June 5, 1878; A Summary of Researches In Sound: Conducted in the Service of the United States Light-House Board, by Joseph Henry, During the Years 1865 to 1877, 1879.
Folder	2		1880-1890. Sound-Signals. by A. B. Johnson, 1884; Aberrations of Audibility of Fog-Signals, By A. B. Johnson, 1885; Letter to Mary Henry from A. B. Johnson, February 3, 1888; Letter to Mary Henry from A. B. Johnson, February 6, 1888; Letter to Mary Henry from A. B. Johnson, March 18, 1890; Letter to Mary Henry from A. B. Johnson, March 27, 1890.
Folder	3		Undated draft "On The Abnormal Phenomena of Sound in Relation to Fog-Signals on Behalf of U.S. Light-House Board," by Henry, (pages 1-37)
Folder	4		Re-organization, undated. Memorandum relative to Re-organization of the office of the Light-House Board; Plan for Re-organization of the Office of the Light-House Board.
Folder	5		Expedition description, undated
Folder	6		Report draft and remarks, undated. Report on the inventions submitted to the Light-House Board by Henry; Remarks on the introduction of lard oil; One page on reports by Henry.
Folder	7		Joseph Funck related materials, undated. Introductions to use J. Funck's float lamp, pages I to XIV; Description of J. Funck's float lamp, pages I to XIV; One page note regarding J. Funck.
Folder	8		Sound -- undated materials. Membranes as a means of analyzing sounds; Confusion of sound location; Writing on investigations on the subject of the transmission of sound; Difficulty of locating loud sounds; Phenomena of sound; Various notes.
Folder	9		Fog and Fog-Signal -- undated materials. Notes on the fog-signals of France; Tests on fog-signals; "Brown's Siren Fog Signal;" Henry's notes on fog-signal costs; Synopsis of report on fog signals; Notes on fogs along the Eastern coast; Various notes.
Folder	10		Oil and gas -- undated materials. Joseph Henry on gas for Light-Houses; F. S. Pease's exposition of the manufacture of oils of different grades; New method of testing petroleum; Notes on oil by E. L. Woodruff; Different kind of lard; Notes on oil for Professor Renwarks; Different kinds of lard; "Methods of Testing Oil;" Kerosene specific gravity; Synopsis in regards to oils; Results of burning different oils 18 hours; Description of, and directions for making 15 gallons of mineral oil carriers and oilrans; Directions for making oilbutts; Various notes.
Folder	11		Lamp and light -- undated materials. Directions for using the mechanical lamps; J. A. Dailey's chemical illuminator; Lamps in use; Various notes.
Folder	12		Undated memoranda, notes and diagrams. Diagrams; Light-House file memo; Note to P. C. Hains from O. W. Poe; Memoranda taken from Light-House Board notebooks; Miscellaneous notes; Various notes.
Folder	13		Undated writings. Draft titled Williamson; Last two pages of letter to B. H. Bristow from Henry; Letter to the Light House Board from Henry; Report on the means of protecting the Light House at Minots Ledge from Lightening.

Box 37 of 65

Folder

1

Two oversized drawings on sound projection.

SERIES 13.
LETTERPRESS BOOK, DECEMBER 1867-JANUARY 1876.

The contents of this letterpress book are varied. It contains copies of letters, speech drafts, records of monetary accounts, and receipt copies. One letter is rather extensive and begins "In compliance with your request that I would give an account of my scientific researches during my connection with the College of New Jersey I furnished the following brief statement of my labors within the period mentioned (page 283)." Other letters are to the United States President, other political figures, and heads of organizations. The contents of this series are primarily of an official or business nature.

Box 38 of 65

Folder

1

Letterpress book, December 1867-January 1876

SERIES 14.
HONORS AND AWARDS, INVITATIONS AND NOTICES AND LOCKED BOOK EXTRACTS AS WELL AS CORRESPONDENCE, CLIPPINGS AND PASSPORTS.

This series contains extracts from the Locked Book that is similar to a personal diary. Folders 6 through 10 contain honors and awards arranged chronologically. Folders 12 through 21 contain invitations and notices arranged alphabetically. In Folders 26 through 29 honors, awards and memberships can be found in chronological order.

An alphabetical listing of groups and organizations giving honors and awards to Joseph Henry; and an alphabetical listing of groups and organizations issuing invitations and notices to Joseph Henry is in the Smithsonian Institution Archives control file.

Box 39 of 65

Folder	1		Miscellaneous
Folder	2		Mary Henry Correspondence
Folder	3		Correspondences and math notes
Folder	4		Extracts from the Locked Book and other sources, 1850-1862
Folder	5		Extracts from the Locked Book and other sources, 1863-1876
Folder	6		Honors and Awards, 1830-1848
Folder	7		Honors and Awards, 1849-1852
Folder	8		Honors and Awards, 1865-1871
Folder	9		Honors and Awards, 1873-1876
Folder	10		Honors and Awards, undated
Folder	11		Smithsonian Institution Management Debate 1855
Folder	12		Invitations and Notices--American - Athenaeum
Folder	13		Invitations and Notices--British - Government
Folder	14		Invitations and Notices--College of New Jersey
Folder	15		Invitations and Notices--Columbian College, Board of Trustees
Folder	16		Invitations and Notices--Interior - Mississippi
Folder	17		Invitations and Notices--National Academy of Science - National Institute
Folder	18		Invitations and Notices--Pennsylvania - Toner
Folder	19		Invitations and Notices--Presbyterian Board of Publication
Folder	20		Invitations and Notices--Treasury Department Office of the Light-House Board
Folder	21		Invitations and Notices--Union - World
Folder	22		Newspaper clippings
Folder	23		List of honors and offices
Folder	24		Henry medals
Folder	25		Honors, Awards, and Memberships, 1833-1848
Folder	26		Honors, Awards, and Memberships, 1849-1852
Folder	27		Honors, Awards, and Memberships, 1865-1877
Folder	28		Honors, Awards, and Memberships, undated
Folder	29		Translated portion from Alexandre-Edmond Becquerel, Volume V. Second part, 1840 (pages 87-106)
Folder	30		Henry's passports for travel in Holland and France, 1837 and France, 1870 (copies - originals in Box 39A)
Folder	31		Order for Muskets issued by Secretary of War, April 20, 1861

Box 39A of 65

Folder

1

Henry's passports for travel in Holland and France, 1837 and France, 1870 (oversize originals)

SERIES 15.
PUBLICATIONS: BY JOSEPH HENRY, FROM THE JOSEPH HENRY LIBRARY, MEMORIALS AND AN AUTOBIOGRAPHY, AND INFORMATION ON THE TELEGRAPH.

This series contains publications. The first two boxes contain copies of articles and scientific writings by Joseph Henry. The third box in the series consists of items that were extracted from the Joseph Henry Library and that date from after Henry's death in 1878. Various memorials as well as an autobiographical effort are included in the next box, all in published pamphlet form. The next box of this publications series contains telegraph information. Duplicate copies of the materials in the memorial and telegraph boxes are housed in the last box of this series.

Box 40 of 65

Folder	1		Directions for Meteorological Observations, 1870
Folder	2		Dew, Fog, Clouds; Hydro-meteorological phenomena, undated
Folder	3		Suggestions relative to Objects of Scientific Investigation in Russian America, 1867
Folder	4		A Summary of Researches in Sound, 1878
Folder	5		Annual Address Before The Philosophical Society of Washington, 1878
Folder	6		Contributions to Electricity and Magnetism by Joseph Henry, 1841
Folder	7		Contributions to Electricity and Magnetism by Joseph Henry, 1839
Folder	8		Thoughts on Education. The Introductory Discourse by Joseph Henry, December 1854. This item is contained in Essays and Lectures of Joseph Henry.
Folder	9		Publications undated (lists of papers that were signed out to the Joseph Henry Library in 6-7-74)

Box 41 of 65

Folder	1		Scientific Writings of Joseph Henry Volume I
Folder	2		Scientific Writings of Joseph Henry Volume II
Folder	3		Meteorology, 1855-1859

Box 42 of 65

Folder	1		"Nature," Thursday, May 31, 1888
Folder	2		Bound articles
Folder	3		The Celebration of the Seventy-fifth Anniversary of the founding of the Albany Academy, October 25, 1888
Folder	4		Joseph Henry Statue ceremony; The Place of Electrical Industries in History; William B. Clums vs. Charles H. Brewer
Folder	5		Bulletin of the Philosophical Society of Washington Volume II, October 10, 1874- November 2, 1878
Folder	6		"Flow of Water in Rivers and Canals" by D. Farrand Henry
Folder	7		Part II. Rational and Physical Mechanics.

Box 43 of 65

Folder	1		The Princeton Memorial of Professor Henry
Folder	2		A memoir of Joseph Henry by William B. Taylor
Folder	3		Henry as a Discoverer. A Memorial Address by Alfred M. Mayer.
Folder	4		Joseph Henry. In Memoriam.
Folder	5		Proceedings of the Albany Institute, relative to the late Professor Joseph Henry, LL.D.
Folder	6		Memoir of Professor Joseph Henry, LL.D. by Rev. James C. Moffat
Folder	7		"The New York State Roots of Joseph Henry's National Career" by Nathan Reingold
Folder	8		"Joseph Henry" by Professor G. Macloskie
Folder	9		SUNY at Albany dedication of Joseph Henry Physics Building, October 4-5, 1968
Folder	10		Addresses at the Unveiling of the Joseph Henry Statue, 1884
Folder	11		Programs and invitations for the unveiling of the Joseph Henry Statue
Folder	12		Life and Work of Joseph Henry by Frank L. Pope
Folder	13		Autobiography of Joseph Henry
Folder	14		Science, April 22, 1887
Folder	15		Sketch of the Life and Contributions to Science of Professor Joseph Henry
Folder	16		Notes on the Life and Character of Joseph Henry by James C. Welling
Folder	17		"An American Original" and "Meteorological Milestones: Chronology of the American Weather Services, 1644-1970" by Gordon and Breach, Science Publishers, Inc., 1970
Folder	18		Newspaper clippings following death of Joseph Henry

Box 44 of 65

Folder	1		Extracts relative to the Electro-Magnetic telegraph
Folder	2		The Telegraph Historical Society
Folder	3		"Butterfield Lectures" by Alonzo B. Cornell
Folder	4		"Joseph Henry and the Magnetic Telegraph" by Edward N. Dickerson
Folder	4A		"Joseph Henry and the Magnetic Telegraph" by Edward N. Dickerson
Folder	5		An Historical Sketch of Henry's Contribution to the Electro-Magnetic telegraph by William B. Taylor
Folder	6		First Telegraph case before the United States Supreme Court
Folder	7		Henry O'Rielly on the Electro-magnetic telegraph, 1871

Box 45 of 65

Memorial and Telegraph Publication Duplicates

Box 45A of 65

Folders	11-12		"Joseph Henry and the Magnetic Telegraph" (softbound copies)
Folder	13		Albany Almanac, 1876
Folder	14		Suggestions Relative to Objects of Scientific Investigation in Russian America (3 copies)
Folder	15		Sketch of the Life and Contributions to Science of Professor Joseph Henry, LL.D. (6 copies)
Folder	16		A Memoir of Joseph Henry, A Sketch of His Scientific Work
Folder	17		Program "Unveiling the Statue of Joseph Henry" (12 copies)
Folder	18		Addresses at the Unveiling of the Joseph Henry Statue (7 copies)
Folder	18A		Addresses at the Unveiling of the Joseph Henry Statue (7 copies)
Folder	19		Congressional Record - Memorial Exercises in Honor of Joseph Henry (10 copies)

SERIES 16.
MEMORIALS, OF JOSEPH HENRY AND OF JOSEPH SAXTON BY JOSEPH HENRY.

This series contains memorial materials. Box 46 and Box 47 contain materials related to Joseph Henry's death. Specifically, there are copies of addresses, letters, memorials, and paper work relevant to preserving his memory and paying respects. Box 48 consists of a draft and final copy of the memorial of Joseph Saxton that was prepared by Joseph Henry.

Box 46 of 65

Memorials of Joseph Henry

Box 46A of 65

Folder	1		Plan of Henry Monument (oversize original)
Folder	2		Plan of Henry Monument - Base of Henry Statue (oversize original)

Box 47 of 65

Folder

1

Henry Memorial. Original Papers, 1878.

Box 47A of 65

Folders

1-2

Henry Memorial. Scrapbook, 1878.

Box 48 of 65

Memorial of Joseph Saxton by Joseph Henry

SERIES 17.
CORRESPONDENCE AND NON-CORRESPONDENCE PULLED FROM MARY HENRY PAPERS AND OTHER LOCATIONS.

This series contains both correspondence and non-correspondence. The correspondence consists of both copies and holographs pulled from the materials that had been in Mary Henry's possession. The non-correspondence consists of items that were pulled from the correspondence chronology, frequently they were materials sent with a letter.

Box 49 of 65

Folder	1		Non-correspondence pulled from Joseph Henry Collection's correspondence chronology
Folder	2		Joseph Henry Papers Film as supplement and then interfile
Folder	3		Joseph Henry holographs from Mary Henry's Memoirs I
Folder	4		Joseph Henry holographs from Mary Henry's Memoirs II
Folder	5		Mary Henry copies, originals in Joseph Henry Papers I
Folder	6		Mary Henry copies, originals in Joseph Henry Papers II
Folder	7		Typed copies of correspondence
Folder	8		Miscellaneous, unidentified

SERIES 18.
MARY A. HENRY DIARIES, JOURNALS, AND NOTEBOOKS (AUTHORSHIP IS SOMETIMES QUESTIONABLE).

This series consists of some of Mary Henry's private papers. The materials were donated to the Smithsonian by Caroline Henry after her sister Mary's death in 1902.

Box 50 of 65

Folder	1		Map of Paris Environs, 1837
Folder	2		Autograph collection of Mary Henry
Folder	3		Poetry notebook
Folder	4		Pocket notebook, June
Folder	5		Flip top notebook with notes
Folder	6		Large bound book presented to the Smithsonian Institution by Charles Lee Frank on March 4, 1927
Folder	7		Collection of important letters of Mary Henry

Box 51 of 65

Folder	1		Letter Copy Book, December 16, 1884-May 12, 1896
Folder	2		Diary of Mary Henry, January 1, 1864-1868
Folder	3		Diary of Mary Henry, 1858-1863
Folder	4		Journal "Left New York June 14 in the steamer 'Teutonic'"

Box 51A of 65

Folder	5		Journal "Left Cairo the morning of Jan. 2nd in the little steamer 'Prince Abbot'"
Folder	6		Journal "Sailed from New York in the steamer 'Serria'"
Folder	7		Journal "April 14th A clear sunny morning. We walked to the church of Saint Maria Novella"
Folder	8		Journal "Left New York June 4th in the steamer 'Aurania'"
Folder	9		Journal of a travel nature

SERIES 19.
MARY A. HENRY MEMOIR

This series, like series 18, contains materials donated to the Smithsonian by Caroline Henry after Mary Henry's death in 1902. The donated materials consist of Mary's collection of her father's papers and Mary's manuscript materials from her work on a biography of her father. Several chapters were drafted before the project was discontinued as a result of Mary's failing health and her dissatisfaction with Professor Hopkins, the man who the Smithsonian arranged to assist Mary in composing the biography.

Box 52 of 65

The outline (called "Table of Contents") is organized in chronological order by years. Under the year headings there are various subject headings. In some of the cases a page number or chapter number can be found after the subject denoting its intended location.

These folders contain typed copies of various Henry letters and notes. When a diagram was contained in the original document it has been cut out and pasted to the copy. The copies have been marked up to note what sections are to be inserted into the memoir.

The science notes are typed copies of no longer existing originals. Diagrams are pasted down to the pages. It is believed that the diagrams were cut from the original documents. Sections are marked up for insertion into the memoir and chapter numbers are denoted in the margins. The page numbers noted are typed in the upper right hand corner. They present an order in which to place the materials.

Box 53 of 65

These notes are typed copies of Joseph Henry science notes (Folder 11 contains letters). The materials are organized in chronological order from 1843 to 1863. Materials from the years 1849, 1850, 1860, and 1861 are not present. There is very little marking on these pages when compared to the volume of mark ups on the earlier set of science notes.

These two folders contain 105 consecutive typed copied pages of materials. These materials have dates to the various entries beginning with March 8, 1862, and ending with November 20, 1865. These pages were copied from the locked book and contain club notes and other club related materials. According to Henry, "this club consists of a few gentlemen interested in physical science, who meet in turns at each others houses, and discourse on scientific subjects in an informal way" (page 1).

These folders contain both typed and hand-written copies of Henry originals. The materials are letters, scientific papers, and pocket notebooks.

Hand-written and typed copies of science related materials in the form of letters, reports, and notes. They are denoted for examination as to where it would be better to publish them, with the memoir or with the Record Book.

Box 54 of 65

Folder	1		Newspaper clippings related to the wireless telegraph; Pictures Sent By Wireless Telegraph; Tellural Telegraphy; Father of Telegraph Proposed memorial to Joseph Henry (1902); New Wireless Telegraph; To Rival Marconi (1902); Wireless Telegraphy! (1901); Journal of the American Electrical Society Thunder-Storms (1878)
Folder	2		Addresses on putting up a Tablet in Princeton - Personal recollections and praise of J. Henry. Two pieces are written to Mary Henry after Joseph Henry's death at her request. It seems she was interested in collecting other persons, who had known Joseph Henry in various capacities, impressions of him. The third major item in the folder is a typed copy of a speech praising Henry and his scientific achievement and proposing the erection of a tablet in his honor at Princeton. George Parker who was Henry's successor at Princeton wrote this third item.

The materials contained in the following folders are typed copies of Joseph Henry manuscripts. The copied notes are science related, containing sections on light, electricity, mechanics, sound, magnetism, heat, and somatology.

These folders contain some pocket notebook extracts and copies of letters. The copies are both written and typed and are all from the latter years of Henry's life (1864-1877). The letters are primarily dated from after the fire in the Smithsonian in 1865. The copies are of letters written by Henry.

The materials in these folders are longhand copies from the originals. In most cases the diagrams are traced in pencil and then copied over again in pen. In some cases they are cut out and pasted down from the original.

In these folders are longhand copies of letters and notes, typed copies, and photocopies (with the originals located in the Joseph Henry Papers). The letter copies are letters to Henry as well as from Henry. In the first of these folders there are letters written by Mary Henry in her efforts to collect information.

Box 55 of 65

These folders contain the typed preface to the memoir written by Mary Henry. The preface is an explanation as to why she is writing the memoir. It discusses Henry's scientific contributions and contains letters from his life as well as copies of scientific notes. In the realm of science it focuses on the telegraph, magnets, and weather.

The text in folders 4 through 10 is integrated with portions of letters. This section is of a more personal nature. Letters written to Stephen and his wife are included and there are references to other family members like grandma and aunty. There is also scientific information included as well as some science notes but this section is mostly concerned with presenting a rounded picture of the man where as the preface had attempted to justify the work.

Box 56 of 65

Folder	1		Chapter 15 drafts: "In the interest of developing the strength of his magnets ..." and more magnetism
Folder	2		Chapter 16 draft: "Henry's discoveries followed so quickly ..."
Folder	3		"There are two terms constantly in use..."; a section called Henry's Existing Apparatus and other notes for chapter preparation.
Folder	4		"The fame of Big Ben passed beyond the bounds of Princeton" and "I have mentioned casually as a companion to Big Ben..."
Folder	5		Chapter 17 draft: "Another star in Faraday's..."; Chapter 18 draft: "The second marked period of our story..."; Chapter 19 draft: "New Years' Day 1833"; Chapter 20 draft: "Henry commenced the New Year..."
Folder	6		Chapter 21 draft: "It is New Years day in 1835..."; Chapter 22 draft: "Summer has come in this year 1836"; "Like a silver thread though the wharf..."
Folder	7		Miscellaneous chapter parts and notes both longhand and typed
Folder	8		Lots of longhand dated 1865-1869
Folder	9		Notes and materials for memoir

The index, contained in folders 10 through 15, breaks up first by word (i.e., Aurora, conduction, flame, etc.). Under a word and indented would be further break downs if it was needed. For example, under Aurora there is a list of dates and next to the date a small explanation like elevation of, or in different countries. After the date and explanation follows a page number. In some cases the space under the word is completely filled in with entries other times it is mostly empty space. This index is a working index that is being constructed as the material is being written.

SERIES 20.
FAMILY PAPERS: HARRIET HENRY PAPERS, 1825-1879 AND UNDATED; HENRY CHILDREN, JAMES HENRY, STEPHEN ALEXANDER, AND OTHER RELATIONS, WILLIAM HENRY AND UNKNOWN.

This series contains Henry family papers. There are many correspondences arranged by whom they were written to and then by date. The individuals with the largest sets of letters are Harriet Henry, Stephen Alexander, and James Henry. Joseph Henry wrote many of the correspondence contained in these arrangements. Contained in this series are also items from after the date of Joseph Henry's death as well as three notebooks and albums and Mary Henry's copy of Scientific Writings of Joseph Henry, Volume I.

Box 57 of 65

Folder	1		1825-May 1830
Folder	2		June-December 1830
Folder	3		1831-1834
Folder	4		1835-1836
Folder	5		January-June 1837
Folder	6		July-December 1837
Folder	7		1838-1839
Folder	8		1840-1845
Folder	9		1846
Folder	10		January-April 1847
Folder	11		May-December 1847
Folder	12		January-June 1848
Folder	13		July-December 1848
Folder	14		1850-1851
Folder	15		1852
Folder	16		1853-1857
Folder	17		1858-1859
Folder	18		1860-1865
Folder	19		1866-1869
Folder	20		1870-1872
Folder	21		1873-1875
Folder	22		1876-1878
Folder	23		Undated
Folder	24		Letters from friends after Joseph Henry's death
Folder	25		Miscellaneous correspondence with daughters after Joseph Henry's death

Box 58 of 65

Folder	1		Henry Children, miscellaneous
Folder	2		William A. Henry and S.A. Alexander, 1861
Folder	3		Henry Children, 1845-1853
Folder	4		Stephen Alexander, 1825-1832
Folder	5		Stephen Alexander, 1833-1838
Folder	6		Stephen Alexander, 1839-1859
Folder	7		Henry Children, 1857-1867
Folder	8		Henry Children, 1868-1877
Folder	9		Stephen Alexander, 1860-1876
Folder	10		Stephen Alexander life
Folder	11		Stephen Alexander Memoir by C.A. Young
Folder	12		James Henry, 1832
Folder	13		James Henry, January-May 1833
Folder	14		James Henry, June-December 1833
Folder	15		James Henry, 1834
Folder	16		James Henry, 1835
Folder	17		James Henry, 1836-1837
Folder	18		James Henry, 1838-1839
Folder	19		James Henry, 1840-1843
Folder	20		James Henry, 1844-1845
Folder	21		James Henry, 1846-1851
Folder	22		William A. Henry and James Henry, 1841-1848
Folder	23		Miscellaneous family papers
Folder	24		Alexander Alexander to Maria Alexander
Folder	25		Henry compensation to family
Folder	26		Death of Harriet A. Henry and Mary A. Henry - clippings

Box 59 of 65

Folder	1		William A. Henry Rhetoric notebook, undated
Folder	2		Bound diary notebook, undated
Folder	3		Album of pictures, drawings with artistic value, undated

Box 60 of 65

Folder

1

Mary Henry's copy of Scientific Writings of Joseph Henry, Volume I

SERIES 21.
INDEXES.

Boxes 61-62 of 65

• Henryana

Boxes 63-65 of 65

• Index Cards to Correspondence

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Revised: May 1, 2006