Results for "Inventions"

1. 

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

   • Date: July 19, 1854

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   Minutes of the Permanent Commission of the Navy, Meeting XXXV (May 28, 1863)

   • Date: May 28, 1863
   • Creator: Joseph Henry Papers Project
   • Creator: Joseph Henry Papers Project

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   Thomas Edison Demonstrates Telephone and Phonograph to National Academy of Sciences

   • Date: April 1878

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7. 

   Joseph Henry Appointed to Permanent Commission of the Navy

   • Date: February 20, 1863 Civil War, 1861-1865

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   Joseph Henry Advises Samuel Morse on Telegraph

   • Date: February 24, 1842

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

    • Date: September 7, 1849

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    Samuel F. B. Morse's Letter to Joseph Henry (October 17, 1846)

    • Date: October 17, 1846
    • Creator: Morse, Samuel Finley Breese 1791-1872,Joseph Henry Papers Project
    • Creator: Morse, Samuel Finley Breese 1791-1872,Joseph Henry Papers Project

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15. 

    Alexander Graham Bell Demonstrates Telephone for Joseph Henry's Family

    • Date: January 13, 1877

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17. 

    Alfred Vail's Letter to Joseph Henry (July 17, 1846)

    • Date: July 17, 1846
    • Creator: Vail, Alfred,Joseph Henry Papers Project
    • Creator: Vail, Alfred,Joseph Henry Papers Project

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19. 

    Joseph Henry's Albany Magnet

    • Date: c. 1820s
    • Creator: Unknown
    • Creator: Unknown

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21. 

    Joseph Henry Constructs an Electric Motor

    • Date: April-July 1831

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23. 

    Regents Dismiss Samuel Morse's Accusations Regarding Joseph Henry

    • Date: May 19, 1858

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