Bromide paper : instructions for contact printing and enlarging (1896)
Just, E. A · Bradford : P. Lund, Humphries · leaf 134
128 B ROM I dp: paper. con^^iderable heat is developetl. E. \'o^el, of Berlin, recommends it in the warmest terms ; he produced by its means some 1500 enlargements on the author's gelatino-bromide paper. For a 2-1- fold enlarging he required an exposure of 17 seconds. Professors Eder and… … Fig. 25. ment, constru(5fed for lantern slides, ows perhaps insufficient accuracy in the adjustment of the alJ gative. On the other hand, the lens front is movable on a slide, ne d the lens itself can also be regulated by a screw. an * See Dr. Stein's work " Die optische Projedlionkunst." t The…
Photography
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
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