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

1. 

   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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3. 

   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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5. Finding Aid

   SIA RU009554, The History of the Cell Sorter Videohistory Collection, 1991

   • Date: 1991
   • Creator: Smithsonian Institution Archives

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