The silver sunbeam : a practical and theoretical text-book on sun drawing and photographic printing (1873)
Towler, John, 1811-1889 · New York : E. & H.T. Anthony · leaf 584
546 DEFECTS AND REMEDIES. all precipitation ceases … of houses, and water containing alkaline salts, if used in the develop, may cause fog. The vapor of ammonia, or the presence of sulphuretted hy- drogen, will cause an undue deposit of silver on the plate. Fogging is sometimes caused by removing the glass from a cool place and taking it into a warm,…
Photography
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
