Results for "Smithsonian Astrophysical Observatory. Project Celescope"

 
Showing results 1 - 3 of 3 for Smithsonian Astrophysical Observatory. Project Celescope
  1. SI History Chronology

    S. P. Langley Named Director of Observatory

    • Date: March 2, 1890

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  3. SI History Chronology

    Andrew Kramer Retires

    • Date: June 30, 1953

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  5. SI History Chronology

    Samuel Langley Elected Third Secretary

    • Date: November 18, 1887

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Showing results 1 - 3 of 3 for Smithsonian Astrophysical Observatory. Project Celescope