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).

Location: Currently not on view

See more items in: Medicine and Science: Physical Sciences


Exhibition Location:

Data Source: National Museum of American History

Id Number: PH.317729Catalog Number: 317729Accession Number: 231230

Object Name: pyrheliometer

Measurements: overall; ball: 6 1/4 in x 6 in; 15.875 cm x 15.24 cmoverall; 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


Record Id: nmah_1817698

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