Results for "Update"

1. 

   Samuel F. B. Morse

   • Date: 1845
   • Creator: Unknown
   • Creator: Unknown

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3. 

   Morse's Experimental Telegraph

   • Date: Date unknown, c. 1920s?
   • Creator: Unknown
   • Creator: Unknown

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5. 

   Earliest Telegraph Machine

   • Date: 1880 1880s
   • Creator: United States National Museum Photographic Laboratory

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7. 

   George Ashley Campbell (1870-1954)

   • Date: July 17, 1935

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9. 

   Samuel Morse Publishes Attack on Joseph Henry

   • Date: January 1855

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11. 

    Electromagnetic Telegraph Exhibit in A&I

    • Date: 1920s
    • Creator: Unknown
    • Creator: Unknown

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13. 

    Joseph Henry Demonstrates His First Telegraphic Apparatus, a Bell-Ringer

    • Date: 1831-1832

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15. 

    Notes on the Operation of Telegraph Lines

    • Date: c. 1850
    • Creator: Vail, Alfred
    • Creator: Vail, Alfred

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17. 

    Joseph Henry Testifies for Morse v. O'Reilly Telegraph Patent Case

    • Date: September 7, 1849

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19. 

    Women in the Telegraph Office, U.S. National Museum

    • Date: 1886
    • Creator: Unknown (Thomas W. Smillie?)
    • Creator: Unknown (Thomas W. Smillie?)

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21. 

    Alfred Vail's Electromagnetic Telegraph Notes

    • Date: 1848
    • Creator: Vail, Alfred
    • Creator: Vail, Alfred

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23. 

    Morse Claims Henry's Work in Electromagnetism Did Not Contribute to Invention of Telegraph

    • Date: July 19, 1854

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