Platinotype printing : a simple book on the process (1899)
Hinton, A. Horsley (Alfred Horsley), 1863-1908, author · London : Hazell, Watson & Viney, Limited · leaf 50
Platinotype Printing. 42 These instructions as to how to handle the print for development need not terrify the beginner; it is the simplest possible action, and is merely given here as a preventative against bubbles rather than as essential to development. Almost immediately, on the undeveloped… … five to ten) the whole action is complete. With a quite cold solution the action is retarded to per- haps double or several times this time; so that with a print which has been over-exposed the develop- ment may be stopped when it has proceeded far enough, and thus an otherwise over-printed print…
Photography
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
