Results for "Astrophysical observatories"

1. 

   Astrophysical Observatory

   • Date: 1909

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   Astrophysical Observatory at Washington where Solar Instruments are Made and Records Studied

   • Date: 1909

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   Carrying Water for Solar Station on Mount Brukkaros S.W. Africa

   • Date: 1920 Between 1920 and 1934

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   Mount Montezuma, Chile, Site of the Best Solar Observing Station

   • Date: 1920 Between 1920 and 1934

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   View from Solar Station on Mount Brukkaros S.W. Africa

   • Date: 1920 Between 1920 and 1934

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    Solar Observing Station on Table Mountain California in Winter

    • Date: 1920 Between 1920 and 1934

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

    • Date: 1920

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15. SI History Chronology

    Temporary Structures Built for U.S. National Museum

    • Date: 1880s

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17. Collection

    Photographic Collection, 1933

    • Date: 1933
    • Creator: United States National Museum Division of Graphic Arts Section of Photography

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19. Smithsonian Legal Document

    An act making appropriations for sundry civil expenses of the Government for the fiscal year ending June thirtieth, eighteen hundred and ninety-two, and for other purposes

    • Date: 1891 03/03/1891
    • Creator: 51st Congress, Sess. 2, 1891
    • Creator: 51st Congress, Sess. 2, 1891

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    The Periodometer, a New Instrument for Analysing Solar Records

    • Date: 1930 Between 1930 and 1934

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    Expert Mechanician Making Delicate Instruments for Solar Observations

    • Date: 1930 Between 1930 and 1934

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