Results for "Telegraph"
Joseph Henry Electromagnet Equipment - Telegraph Sounder
- Date: Undated
- Creator: Unknown
Electromagnetic Telegraph Exhibit, United States National Museum
- Date: 1890 Circa 1890s
- Creator: United States National Museum Photographic Laboratory
Morse Claims Henry's Work in Electromagnetism Did Not Contribute to Invention of Telegraph
- Date: July 19, 1854
Sketch of "Telegraph" Joseph Henry Showed his Classes at the Albany Academy
- Date: 1857
- Creator: Henry, Joseph 1797-1878
- Creator: Henry, Joseph 1797-1878
Joseph Henry Testifies for Morse v. O'Reilly Telegraph Patent Case
- Date: September 7, 1849
Western Union Telegraph Expedition, Papers from William H. Dall to Robert Kennicott
- Date: 1866 1866 1866
- Creator: Dall, William Healey, 1845-1927
William Dall's Diary from the 1867 Western Union Telegraph Expedition, Pages 99-100
- Date: May 26 -July 13, 1867
- Creator: Dall, William Healey 1845-1927
- Creator: Dall, William Healey 1845-1927
Western Union Telegraph List of Collections sent to the Smithsonian Institution by W. H. Dall, 1865
- Date: 1865 1865 1865
- Creator: Dall, William Healey, 1845-1927
Western Union Telegraph Expedition : includes report from Alexander C. Anderson on the country between the Fraser River and Stuart Lake, 1865
- Date: 1865 1865 1865
- Creator: Dall, William Healey, 1845-1927
Joseph Henry Demonstrates His First Telegraphic Apparatus, a Bell-Ringer
- Date: 1831-1832
Joseph Henry's Letter to Samuel F. B. Morse (February 24, 1842)
- Date: February 24, 1842
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
William Healey Dall Wearing his Expedition Uniform
- Date: July 9, 1865
- Creator: Unknown
- Creator: Unknown
