A treatise on silk : wool, worsted, cotton, and thread, describing their nature, properties and qualities, with instructions to clean the manufactures in the hosiery branch, ... to which are added, descriptive remarks on frame-work knitting, ... By R. March. - March, R. (printed for the author, 1779; and sold by J. Murray; J. Almon; Mess. Richardson and Urquhart; and P. Brett, 1779)