Practical guide to photographic & photo-mechanical printing (1887)
Burton, W. K. (William Kinnimond) · London, Marion and co. · leaf 168
SILVER PRINTING 148 water intervening to prevent any heating of the plate. The light is automatically lowered for an instant as the band travels. The exposure is determined by trial and error at first ; the machine is then regulated to give the same exposure over and over again, and may be left to… … Development It will be found that each maker of paper issues a for- mula for development, and it is well — as in the case of plates — to adhere to this formula, although it appears to be by no means necessary. What is necessary is that the developer be not very strong, and that it be distinctly…
Photography · Photomechanical processes
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
