A treatise on colour manufacture : a guide to the preparation, examination, and application of all the pigment colours in practical use (1908)
Zerr, Georg, Rübencamp, R. (Robert), Mayer, Charles · London : C. Griffin · leaf 109
llows the same direction — i.e., in line with the longitudinal axis of the retort. The air-current for oxidising the zinc vapours can be heated in the furnace used for heating the retorts. In beginning work the retorts are charged with crude zinc, closed, and then raised to white heat. Meanwhile… … A, retort. F, F, G, ventilators for cooling with B, furnace. cold air. C, main flue for all retorts, or for the air main leading from the supply of hot air. outside into the retort A. Cv flue leading the vapours of zinc J, carbon monoxide flue leading into the cooling-chamber E. into the retort ^4.…
Pigments · Coloring matter · Dyes and dyeing
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
