Electromagnet Made by Joseph Henry

ID: 78-6063

Creator: Unknown

Form/Genre: Photographic print

Date: 1978

Citation: Smithsonian Institution Archives, Record Unit 95, Box 12, Folder: 27

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During his years at Albany Academy and the College of New Jersey (now Princeton University), Joseph Henry (1797-1878), first Secretary of the Smithsonian Institution from 1846 to 1878, designed the most powerful electromagnets of his day. Henry constructed this powerful electromagnet for Benjamin Silliman of Yale University to exhibit before his students. It is now in the National Museum of American History.


  • Henry, Joseph 1797-1878
  • Silliman, Benjamin 1816-1885
  • National Museum of American History (U.S.) (NMAH)
  • Albany Academy
  • College of New Jersey (Princeton, N.J.)
  • Yale University


Historic Images of the Smithsonian


  • Published in the Smithsonian Scientific Series, vol.1, Charles Greeley Abbot, editor. See MAH-13346 for another image.
  • For another view of the electromagnet, see Neg. MAH-13346.

Contained within

Smithsonian Institution Archives, Record Unit 95, Box 12, Folder: 27

Contact information

Institutional History Division, Smithsonian Institution Archives, 600 Maryland Avenue, S.W., Washington, D.C. 20024-2520, SIHistory@si.edu



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  • Electric apparatus and appliances
  • Artifacts
  • Inventors
  • Electricity
  • Scientific apparatus and instruments
  • Secretaries
  • Inventions
  • Science
  • Electromagnets
  • History
  • Magnets
  • Electromagnet
  • Electromagnetism
  • Science--History


United States


  • Photographic print
  • Object

ID Number


Physical description

Color: Black and White; Size: 8w x 10h; Type of Image: Object; Medium: Photographic print

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