Art of photography : instructions in the art of producing photographic pictures in any color and on any material, for the use of beginners and also of persons who have already attained some proficiency in the art, and of engravers on copper, stone, wood, etc. (1854)
Halleur, G. C. Hermann, Schubert, F. (Franz) · London : J. Weale · leaf 35
the images is attained. The next apparatus in importance is the Iodine apparatiLs. This consists of a wooden box lined with glass ; or of a porcelain or glass* dish ; or cup about two inches deep, and of a size corresponding to that of the plates to be acted on ; the rim of the dish or cup is… … watched in the two mirrors in front ; and that the frame carrying the plate may be readily shifted from the iodine to the bromine. The Mercurial apparatus (fig 7) consists of a square box, resting on four legs, and for the sake of greater convenience, with the top slanting * Yellow glass dishes are…
Photography
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
