Sure and easy development of plates and films (1904)
Hinton, A. Horsley (Alfred Horsley), 1863-1908 · London : Hazell, Watson & Viney · leaf 46
40 Sure and Easy Development of and having put sufficient developer of the highly diluted variety into a tank or other vessel, I drop the clip and its dependent film (see diagram 5) into the developer. The clip floats on the … No. 5 surface, and so keeps the film vertically suspended below it. As many films as the area of the tank will accommodate floating clips may be put in, and then the tank is covered with an inverted No. 6 dish, or anything which will exclude the light, until such time as it is thought desirable to…
Photography · Photography -- Developing and developers
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
