An International Correspondence Schools instruction text on the dyeing of cotton and other cellulosic fibers. It covers the history and theory of dyeing, dyeing machinery (dye box, rotating-arm machine, padder, jig, beck, package and continuous machines), and the application of direct, sulfur, naphthol, vat, indigosol, basic, oxidation, mordant and fiber-reactive dyes. It includes tables of dyes with Colour Index names, procedures with recipes, and a set of student examination questions at the end.