Snelling, Henry Hunt, 1816-1897 · [New York : W.B. Smith] · leaf 271
bed all 262 The Photographic Art-Journal. November, over with a pledget of cotton, slightly wet-ted with the diluted nitric acid. Frequent-ly change the cotton, and keep rubbingbriskly, that the acid may be equally dif-fused over the silver, as if it is permittedto run into drops, it stains the… … ^=®
Photography · Art and photography
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