Results for "Washington (D.C.)"

 
Showing results 1 - 4 of 4 for Washington (D.C.)
  1. Secretary Charles G. Abbot with Solar Boiler

    Secretary Charles G. Abbot with Solar Boiler

    • Date: c. September 30, 1936
    • Creator: Unknown
    • Creator: Unknown

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  3. Mt. St. Katherine, Egypt, by Unknown, 1933, Smithsonian Archives - History Div, 94-12577.

    Mt. St. Katherine, Egypt

    • Date: 1933
    • Creator: Unknown
    • Creator: Unknown

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  5. Observatory at Mt. Montezuma, Chile

    Observatory at Mt. Montezuma, Chile

    • Date: c. 1920
    • Creator: Unknown
    • Creator: Unknown

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  7. Loyal B. Aldrich and Others at SAO Site

    Loyal B. Aldrich and Others at SAO Site

    • Date: c. 1920
    • Creator: Unknown
    • Creator: Unknown

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Showing results 1 - 4 of 4 for Washington (D.C.)