The photographic negative : written as a practical guide to the preparation of sensitive surfaces by the calotype, albumen, collodion, and gelatine processes, on glass and paper, with supplementary chapters on development, etc., etc. (1888)
Burbank, W. H. (William Henry), 1853- · New York : Scovill Manufacturing Co. · leaf 162
ters each time. The films are then dried thoroughly between fresh sheets of blotting-paper. These fiexible plates, as the inventor calls them, are superior to films on paper or cardboard, in that they allow the progress of development to be watched by transmitted light. The author, however, has…
Photography
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.