Snelling, Henry Hunt, 1816-1897 · [New York : W.B. Smith] · leaf 313
hair. The thing, by beinglooked at, will speak for itself as to defini-tion. Sir Thomas Wilson.—You can read itquite perfectly. Sir William Newton.— Should anygentleman have improvements to suggestin the Camera, he is requested to preparea paper for the next Meeting, when thatsubject will be more… … HERE are several con-ditions which influencethe durability of pigments,namely, first, the natureand properties of the pig-ments themselves andtheir purity from extra-, neous matter ; secondly, their mix-ture with other colors; and thirdly,the vehicle with which they are em-ployed. We shall offer in…
Photography · Art and photography
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