Results for "Inventions"

 
Showing results 1 - 4 of 4 for Inventions
  1. 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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  3. Patent Drawing for Abbot's Pyrheliometer

    Patent Drawing for Abbot's Pyrheliometer

    • Date: 1940?
    • Creator: Unknown
    • Creator: Unknown

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  5. SI History Chronology

    Abbot Tests Solar Steam Boiler

    • Date: September 30, 1936

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  7. Secretary Abbot Carrying the Radiometer up Mount Wilson

    Secretary Abbot Carrying the Radiometer up Mount Wilson

    • Date: c. 1930?
    • Creator: Unknown
    • Creator: Unknown

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Showing results 1 - 4 of 4 for Inventions