Results for "Telegraph"

 
Showing results 1 - 5 of 5 for Telegraph
  1. Joseph Henry Electromagnet Equipment - Telegraph Sounder

    Joseph Henry Electromagnet Equipment - Telegraph Sounder

    • Date: Undated
    • Creator: Unknown

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  3. Sketch of "Telegraph" Joseph Henry Showed his Classes at the Albany Academy

    Sketch of "Telegraph" Joseph Henry Showed his Classes at the Albany Academy

    • Date: 1857
    • Creator: Henry, Joseph 1797-1878
    • Creator: Henry, Joseph 1797-1878

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

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

    • Date: 1831-1832

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  7. Smithsonian Budgets $1,000 for Meteorology Program

    Smithsonian Budgets $1,000 for Meteorology Program

    • Date: March 19, 1848

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  9. Data on Instruments Loaned and Number of Observers for the Smithsonian Meteorological Project

    Data on Instruments Loaned and Number of Observers for the Smithsonian Meteorological Project

    • Date: 1872
    • Creator: Unknown
    • Creator: Unknown

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Showing results 1 - 5 of 5 for Telegraph