Practical guide to photographic & photo-mechanical printing (1887)
Burton, W. K. (William Kinnimond) · London, Marion and co. · leaf 72
y trace of hypo. The smallest quantity of the salt left in the paper may undoubtedly cause fading of the image. But the writer here wishes to emphasise the fact that there are other causes of fading besides want of washing, and that it is not right, if prints show signs of fading in a few years, to… … — rendered slightly alkaline — would do more for the per- manency of silver prints than all the washing machines in the world. Still a thorough washing is at least one of the condi- tions of permanence in silver prints, and some means should be taken to secure it. The essential for a thorough…
Photography · Photomechanical processes
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
