[Halftone prints from Photo-trichromatic printing]

Zander, C. G. Photo-trichromatic printing: in theory and practice · 1896

"Two plates, one a color chart showing the primaries and secondaries, one a three-color Half-tone from a painting. Three Half-tone illustrations from photographs of the plant of A.B. Fleming & Co., ink manufacturers. Theory of three-color printing as well as a short history and discussion of ink types that were suitable. Blocks by Heliochrome Co., Ltd., London. Printed by De Montfort Press. Inks by A.B. Fleming & Co., Ltd., London and Edinburgh... [One] of the earliest publications on three-color half-tone."--Hanson Collection catalog, p. 127