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 83
81 Fig. 14. Fig. 13. £ s. fig. 14 0 5 Tripod Stands, or levelling stands 0 10 fig. 13 Best ditto ditto . … Fig. 15 Camera Stands, French Polished Mahogany- fig. 15, a 1 16 Ditto ditto, jointed legs ditto 2 2 Common ditto ditto, with ring top . . from 0 16 Portable ditto ditto . fig. 16. 21s., &; Ditto ditto, fig. 17, very firm . . from R. Willats* Improved Ball and Socket Tripod Camera Stand, very…
Photography
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
