Results for "African Americans -- Washington (D.C.)"

1. 

   Division of Radiation and Organisms Laboratory, Smithsonian Institution Building, or Castle - Equipment

   • Date: 1930 Circa 1930s
   • Creator: United States National Museum Photographic Laboratory

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3. 

   Division of Radiation and Organisms Laboratory, Smithsonian Institution Building, or Castle - Equipment

   • Date: 1930 Circa 1930s
   • Creator: United States National Museum Photographic Laboratory

4.  
5. 

   Letter from Samuel Morse and Alfred Vail to Joseph Henry, July 22, 1846

   • Date: July 22, 1846 19th century
   • Creator: Morse, Samuel Finley Breese 1791-1872,Vail, Alfred
   • Creator: Morse, Samuel Finley Breese 1791-1872,Vail, Alfred

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7. 

   Division of Radiation and Organisms Laboratory, Smithsonian Institution Building, or Castle - Earl Steinford Johnston

   • Date: 1929 Between 1929 and 1934
   • Creator: United States National Museum Photographic Laboratory

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9. 

   Sketch of Henry Magnet

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

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11. 

    Charles Bittinger (1879-1970)

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13. 

    Charles Bittinger (1879-1970)

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15. 

    Joseph Henry's Albany Magnet

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

16.  
17. 

    David Challinor at "Science at Smithsonian"

    • Date: 1976
    • Creator: Unknown
    • Creator: Unknown

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19. 

    Charles Bittinger (1879-1970)

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21. 

    Sketch of Joseph Henry's More Powerful Magnet

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

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23. 

    Letter from Alfred Vail to Samuel Morse, January 11, 1857

    • Date: January 11, 1857 19th century
    • Creator: Vail, Alfred
    • Creator: Vail, Alfred

24.  

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