Results for "Smithsonian Astrophysical Observatory. Radio and Geoastronomy Division"

 
Showing results 169 - 180 of 182 for Smithsonian Astrophysical Observatory. Radio and Geoastronomy Division
  1. Hodgkins Medal, by Unknown, 1920, Smithsonian Archives - History Div, SIA2011-2386 or SA-682.

    Hodgkins Medal

    • Date: 1920
    • Creator: Unknown
    • Creator: Unknown

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  3. Charles G. Abbot's Solar Panels

    Charles G. Abbot's Solar Panels

    • Date: c. September 30, 1936
    • Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
    • Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954

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  5. Plan for the proposed National Museum of Engineering and Industry

    Plan for the proposed National Museum of Engineering and Industry

    • Date: 1925
    • Creator: Unknown
    • Creator: Unknown

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  7. Secretary Samuel P. Langley, by Unknown, 1901, Smithsonian Archives - History Div, 2002-12172.

    Secretary Samuel P. Langley

    • Date: 1901
    • Creator: Unknown
    • Creator: Unknown

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  9. Preparations for Solar Broadcast

    Preparations for Solar Broadcast

    • Date: September 30, 1936
    • Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
    • Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954

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  11. Sec. Abbot and His Solar Powered Invention

    Sec. Abbot and His Solar Powered Invention

    • Date: September 30, 1936
    • Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
    • Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954

  12.  
  13. Preparations for Solar Broadcast

    Preparations for Solar Broadcast

    • Date: c. September 30, 1936
    • Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
    • Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954

  14.  
  15. Preparations for Solar Broadcast

    Preparations for Solar Broadcast

    • Date: September 30, 1936
    • Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
    • Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954

  16.  
  17. Preparations for Solar Broadcast

    Preparations for Solar Broadcast

    • Date: c. September 30, 1936
    • Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
    • Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954

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  19. News Broadcast of Secretary Abbot's Solar Invention

    News Broadcast of Secretary Abbot's Solar Invention

    • Date: c. September 30, 1936
    • Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
    • Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954

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  21. SI Officials at East Door to SI Building

    SI Officials at East Door to SI Building

    • Date: 1915
    • Creator: Unknown
    • Creator: Unknown

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  23. Field notes, 1964, 1964, Smithsonian Field Book Project, SIA RU007318.

    Field notes, 1964

    • Date: 1964 19640315 19640425
    • Creator: Cooper, G. Arthur (Gustav Arthur) 1902-

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Showing results 169 - 180 of 182 for Smithsonian Astrophysical Observatory. Radio and Geoastronomy Division

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