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单词 dry-plate
释义

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dry-plate
dry-plate n. Photography a sheet of glass coated with collodion subsequently sensitized and dried, or, more usually, with an emulsion of gelatine (or collodion) containing a sensitive silver salt, and exposed to the action of light in a dry state.
ΚΠ
1859 Photogr. News I. 296 Some difference of opinion exists as to the collodion best suited for dry plates.
1878 W. de W. Abney Treat. Photogr. (1890) 91 In the development of dry plates..the image..is built up from the solid silver salt in the film itself.
1878 W. de W. Abney Treat. Photogr. (1890) 91 The practical part of dry-plate processes.
extracted from dryadj.adv.
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