Details: nd. 25 p. 28 cm. Dozens of coloured cloth swatches. One photo of the plant at Lock Haven, PA. Burgundy cloth with faded gold lettering. Bottom corners worn. Ink signature on title page. Some pencil check marks inside. A few cloth samples have tiny tears or holes but all are clean and bright. Topics inside include: dissolving the dyestuffs; dyeing methods; tabulation of fastness of amacid colours; level dyeing, etc. The cloth samples, however, are the main feature of this book, from "milling yellow" to "amacid black".