Results for "Smithsonian Institution. Accessibility Program"

1. 

   Astrophysical Observatory, Flint Island Expedition Apparatus

   • Date: 1908 January 1908
   • Creator: Unknown

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3. 

   Living Quarters at the Solar Station on Mt. Montezuma, Chile

   • Date: 1920

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5. 

   Lewis and Clark Centennial Exposition, Portland, Oregon, 1905

   • Date: 1905
   • Creator: Lyon, Marcus Ward 1875-1942

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   Astrophysical Observatory, Temporary Station, Bassour, Algeria

   • Date: 1911 1911-1912
   • Creator: Unknown

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9. 

   The Periodometer, a New Instrument for Analysing Solar Records

   • Date: 1930 Between 1930 and 1934

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11. 

    Astrophysical Observatory, Temporary Station, Bassour, Algeria

    • Date: 1911 1911-1912
    • Creator: Unknown

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13. 

    Expert Mechanician Making Delicate Instruments for Solar Observations

    • Date: 1930 Between 1930 and 1934

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15. 

    Lewis and Clark Centennial Exposition, Portland, Oregon, 1905

    • Date: 1905
    • Creator: Unknown

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17. 

    Lewis and Clark Centennial Exposition, Portland, Oregon, 1905

    • Date: 1905
    • Creator: Unknown

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19. 

    Lewis and Clark Centennial Exposition, Portland, Oregon, 1905

    • Date: 1905
    • Creator: Unknown

20.  
21. 

    Lewis and Clark Centennial Exposition, Portland, Oregon, 1905

    • Date: 1905
    • Creator: Unknown

22.  
23. 

    Lewis and Clark Centennial Exposition, Portland, Oregon, 1905

    • Date: 1905
    • Creator: Unknown

24.  

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