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单词 photo-nephograph
释义

> as lemmas

photo-nephograph
photo-nephograph n. [ < photo- comb. form + ancient Greek νέϕος cloud (see nephology n.) + -graph comb. form] Obsolete an apparatus for taking a succession of simultaneous photographs of a cloud from two points at some distance apart, in order to ascertain its height and movement.
ΚΠ
1883–4 Proc. Royal Soc. 36 92 A series of experiments have been commenced with Captain Abney's photo-nephograph.
1890 Athenæum 29 Mar. 408/2 Reference was..made to Mr. J. B. Jordan's form of sunshine recorder, and to Capt. Abney's photo-nephograph.
extracted from photo-comb. form
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