Practical guide to photographic & photo-mechanical printing (1887)
Burton, W. K. (William Kinnimond) · London, Marion and co. · leaf 295
PHOTO-MECHANICAL PRINTING PROCESSES 275 of a mixture of colour (generally lamp-black), with “ var- nish,” the varnish consisting simply of linseed oil thickened with heat. The ink “ takes ” only on the parts that have been drawn upon, and when a sheet of paper is brought to bear … on the surface with sufficient pressure, the ink is taken up by the paper, giving a perfect impression. The operations of damping, inking up, and printing may be repeated in- definitely. The machine used for printing is a very simple one, and as it is the same as is used for printing…
Photography · Photomechanical processes
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
