Results for "Update"

1. 

   Thomas Edison Demonstrates Telephone and Phonograph to National Academy of Sciences

   • Date: April 1878

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3. 

   Joseph Henry Constructs Large Electromagnet for Yale College Professor Benjamin Silliman

   • Date: January 15, 1831

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5. 

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

   • Date: July 19, 1854

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7. 

   Replica of Joseph Henry's Princeton Oscillating Electromagnet Motor

   • Date: c. 1830s
   • Creator: Unknown
   • Creator: Unknown

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9. SI History Chronology

   Alfred Vail Fails to Credit Joseph Henry for Development of Telegraph

   • Date: 1845

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11. SI History Chronology

    Joseph Henry Demonstrates Enhanced Electromagnet

    • Date: April 15, 1829

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13. 

    Electromagnet Made by Joseph Henry

    • Date: 1978
    • Creator: Unknown
    • Creator: Unknown

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15. 

    Joseph Henry Advises Samuel Morse on Telegraph

    • Date: February 24, 1842

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17. 

    Alexander Graham Bell

    • Date: c. 1880s
    • Creator: Unknown
    • Creator: Unknown

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19. 

    Henry's Early Research in Electromagnetism

    • Date: October 10, 1827

20.  
21. SI History Bibliography

    Joseph Henry: Inventor of the Telegraph?

    • Date: 1999-2007
    • Creator: Hochfelder, David 1965-
    • Creator: Hochfelder, David 1965-

22.  
23. SI History Bibliography

    Science in the Civil War: The Permanent Commission of the Navy Department

    • Date: 1958 Civil War, 1861-1865
    • Creator: Reingold, Nathan 1927-
    • Creator: Reingold, Nathan 1927-

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