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 79
Fig 4. £ s. d. 5 0 Folding Cameras with single Achromatic lens fig 4 from 5 Folding Camera of the best make, with Achromatic lens in rackwork front, with double paper holder and 1 holder for glass plates, to take pictures 10 by 8 in., perfect to 16 0 the edges . • • • • ^ Ditto ditto made to order,… … R. Willats’ Portable Camera with flexible cloth body, angular, vertical, and horizontal adjustments, with Achromatic lens and rackwork front to take pictures, 10| by 8 in. fig. 5. 11 11 0 Ditto ditto with angular adjustment and sliding tube . 9 9 0 This form of Camera, shown at the Exhibition of…
Photography · Collodion process
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