ACTINOMETER
Dictionary of Science, Literature and Art · 1854 · p. 1
(Gr. dxru; and jicrpnv, n An instrument invented by Sir John Herscbe-1 for mea- • 12 [s. 26]
Bu kavram başka kaynaklarda da geçiyor
The American Illustrated Medical Dictionary (1913)
A Dictionary of Aviation (1911)
The American Dictionary and Cyclopedia (1910)
Chamber's Twientieth Century Dictionary (1908)
The Optical Dictionary (1904)
Chandler's Encyclopedia (1898)
Nuttall's Standard Dictionary of the English Language (1890)
Zell's Condensed Dictionary (1879)
Readham'da tam maddeyi gor →