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, Le Gray, Gustave, 1820-1882 · London : T. Willats · leaf 79
77 … Fig 4. £ *• ^» Folding Cameras with single Achromatic lens fig 4 from 5 5 0 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 the edges . • • • . 16 16 0 Ditto ditto made to…
Photography
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.