Results for "Physics"

1. 

   Earliest Telegraph Machine

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

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3. Smithsonian Legal Document

   An Act Making appropriations to supply deficiencies in the appropriations for the fiscal year ending June thirtieth, nineteen hundred, and for prior years, and for other purposes

   • Date: 1901 06/06/1900
   • Creator: 56th Congress, Sess. 1, 1900
   • Creator: 56th Congress, Sess. 1, 1900

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5. 

   Electromagnetic Telegraph Exhibit in A&I

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

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7. Collection

   Henry J. Rogers Papers, 1844-1896

   • Date: 1844 1844-1896
   • Creator: Rogers, Henry J. 1811-1879

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   Electromagnetic Telegraph Exhibit, United States National Museum

   • Date: 1890 Circa 1890s
   • Creator: United States National Museum Photographic Laboratory

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11. 

    Notes on the Operation of Telegraph Lines

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

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13. 

    Edward Sylvester Morse

    • Date: c. 1910
    • Creator: Unknown
    • Creator: Unknown

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15. SI History Bibliography

    Henry and the Telegraph

    • Date: 1879
    • Creator: Taylor, William B (William Bower) 1821-1895
    • Creator: Taylor, William B (William Bower) 1821-1895

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17. Collection

    Alfred and Amanda Vail Papers, 1855-1858

    • Date: 1855 1855-1858

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19. 

    Alfred Vail's Electromagnetic Telegraph Notes

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

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21. 

    Cover of Alfred Vail's Experiment Notebook

    • Date: c. 1844
    • Creator: Vail, Alfred
    • Creator: Vail, Alfred

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23. 

    Drawing of the Electromagnetic Telegraph and Alpha Code

    • Date: c. 1844
    • Creator: Vail, Alfred
    • Creator: Vail, Alfred

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