Modern printing processes : gum bichromate and platinotype papers (1900)
Abbott, Henry G., 1858-1905 · Chicago : Geo. K. Hazlitt · leaf 23
MODERN PRINTING PROCESSES. IQ dry powder, moist colors in pans or tubes, or even solid cakes. Moist colors in tubes are the most con- venient, although more expensive than dry or pan colors, vet they are, as a rule, thoroughly ground and no lumps or gritty portions will be found in them. If dry… … as desirable which may be mixed, Moist Colors in Tubes. and there are other colors, like lemon yellow, umber, Vandyke brown, Prussian blue, sepia, etc., which do not answer very well by themselves, but which are very useful for mixing the various shades. I should advise the beginner to purchase…
Photography
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
