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Results for "Patent Office Building (Washington, D.C.)"
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Subject: Scientific apparatus and instruments
Subject: Pyrheliometers
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Abbot (1)
Astrophysicists (1)
Astrophysics (1)
C. G (Charles Greeley) b. 1872 (1)
Instruments (1)
Observatory equipment (1)
Pyrheliometers (1)
Scientific apparatus and instruments (1)
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Secretaries (1)
Silver Disk Pyrheliometer (1)
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Showing results 1 - 1 of 1 for
Patent Office Building (Washington, D.C.)
Secretary Charles G. Abbot Reading the Pyrheliometer
Date:
c. 1940
Showing results 1 - 1 of 1 for
Patent Office Building (Washington, D.C.)
