Plain directions for obtaining photographic pictures upon waxed and albumenised paper and glass, by collodion and albumen : including a third edition of Le Gray's Treatise on photography, a description of the stereoscope and the manner of taking pictures suited for it : also, the process for copying microscopic objects, &c. (1852)

Heisch, Charles, editor, Le Gray, Gustave, 1820-1884. Nouveau traité théorique et pratique de photographie sur papier et sur verre. English · London : T. Willats · leaf 41

An illustration from Plain directions for obtaining photographic pictures upon waxed and albumenised paper and glass, by collodion and albumen : including a third edition of Le Gray's Treatise on photography, a description of the stereoscope and the manner of taking pictures suited for it : also, the process for copying microscopic objects, &c., 1852, leaf 41 — 39 lower edge resting on the cross slip; the position of the plate and trough will be understood at once by an inspection of figure 2. The … Fig. 2. ing are the proportions generally employed : Nitrate of silver . 400 grains. Alcohol . 4 f. drachms. Distilled Water . 10 f. oz. It is said by some, that a new sensitive bath does not give a uniform coating to the plate ; this they attribute to the nitrate of silver dis¬ solving a small…

Photography · Collodion process

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More pictures from Plain directions for obtaining photographic pictures upon waxed and albumenised paper and glass, by collodion and albumen : including a third edition of Le Gray's Treatise on photography, a description of the stereoscope and the manner of taking pictures suited for it : also, the process for copying microscopic objects, &c.

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