Results for "Smithsonian Institution. Office of the Secretary. Assistant to the Secretary"

 
Showing results 1 - 6 of 6 for Smithsonian Institution. Office of the Secretary. Assistant to the Secretary
  1. SI History Chronology

    Alexander Graham Bell Is Appointed Smithsonian Regent

    • Date: January 24, 1898

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  3. SI History Chronology

    Joseph Henry Demonstrates Enhanced Electromagnet

    • Date: April 15, 1829

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  5. SI History Chronology

    Joseph Henry Builds Electromagnet for Penfield & Taft Ironworks

    • Date: June-July 1831

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  7. SI History Chronology

    Joseph Henry Builds Large Electromagnet for Bowdoin College

    • Date: December 1831

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  9. SI History Chronology

    Joseph Henry Discovers Electromagnetic Induction

    • Date: June 1832

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  11. SI History Chronology

    Telegraph Patent Controversy

    • Date: March 16, 1857

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Showing results 1 - 6 of 6 for Smithsonian Institution. Office of the Secretary. Assistant to the Secretary