Bromide enlarging and contact printing : how to do it (1892)
Dresser, A. R · London : Fry Manufacturing Co. · leaf 48
and qualities of high-class daylight enlargement are secured. In one side of a square box is cut a hole into which is fastened a negative. Inside the box, and at a distance of a few inches — say 8 or 9 — from the negative, is placed a sheet of opal or very white cardboard. This serves as a… … directly upon the opal reflector, and back again from that through the negative. By reflection tie bght is passed
Photography
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
