Nouveau manuel complet fabricant de couleurs et de vernis contenant tout ce qui a rapport a ces différents arts
A Paris manual of 1850 by Jean René Denis Riffault des Hêtres, published by Roret, aimed at manufacturers and workshops making paints, colours and varnishes. Its pictures are long fold-out plates of line-drawn apparatus, including vats, stills, presses, stirring machines and furnaces, drawn in fine black outline on pale paper with small lettered reference marks, useful for technical diagram and machinery layouts.
