Radiometer
An Illustrated Dictionary of Medicine, Biology and Allied Sciences · 1907 · p. 42
(ra - de - om' - et - er). An instrument for transforming radiant energy into mechanical work.
Bu kavram başka kaynaklarda da geçiyor
Hawkins' Electrical Dictionary (1915)
The American Illustrated Medical Dictionary (1913)
The American Dictionary and Cyclopedia (1910)
The Optical Dictionary (1904)
The Standart Electrical Dictionary (1892)
Nuttall's Standard Dictionary of the English Language (1890)
A Military Dictionary (1810)
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