Frankfurt: I. G. Farbenindustrie Aktiengesellschaft, 1930. First German edition. Hardcover. Quarto. vii, 285pp. Original bright red cloth with gilt lettering and ruling on cover and spine. Decorative endpapers. Laid in errata page. Printed to heavy stock paper. Naphtol AS is an organic compound used as coupling partners in the preparation of some "azo dyes."
The procedures and formulas recommended here are tested in practice and used in current manufacturing. The enclosed 189 print samples exemplify the various items and hues to be manufactured with Naphtol AS. The book provides an in-depth view of the practice in regards to direct print, etching and printing of fabrics, rapid fast colors, viscose silk, hand and spray printing, yarn printing, and batik items. This reference book is illustrated with in-text drawings and charts and 189 extraordinary cloth samples featuring an abundance of attractive designs for printing with Naphtol AS in various shapes and sizes. Contains appendices with examples for calculating print and dye formulas, a chart for the calculation of base quantities, regulations for diazotization, thickening, chart to calculate caustic soda, and index. Near fine condition. Item #46814