I.C.S. Reference Library: Wool. Part 4
Series of textbooks on textile fibers, machinery and manufacturing technologies, prepared and published in 1906 for the students of the International Correspondence Schools and containing in permanent form the instruction papers, examination questions and keys used in their various courses. Chapters on animal and vegetable fibers, wool, wool sorting and types, and wool scouring, drying, burr picking, carbonizing, mixing, lubrication of wool, and woollen carding.