Marvin Pyrheliometer

Marvin Pyrheliometer

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Charles F. Marvin (1883-1943), a scientist at the U.S. Weather Bureau, designed this electrical resistance thermometer. In this form, the receiver (a small silver disc) is mounted in a metal case which, in turn, is mounted in a wooden ball.
Ref: Paul D. Foote, “Some Characteristics of the Marvin Pyrheliometer,” Scientific Papers of the Bureau of Standards 323 (1918).
Currently not on view
Object Name
overall; ball: 6 1/4 in x 6 in; 15.875 cm x 15.24 cm
overall; cylinder: 10 3/4 in x 5 3/8 in x 5 7/8 in; 27.305 cm x 13.6525 cm x 14.9225 cm
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Medicine and Science: Physical Sciences
Data Source
National Museum of American History
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