[WEAVING]. Important collection of handwritten weaving courses and technical works on Lyonnais silk and textile arts and crafts, circa 1850-1950. Together 30 volumes in folio (21) and in-4 (9) in contemporary bindings or portfolios. Rich collection of technical manuscripts and weaving course material from the 19th and 20th centuries, mostly from Lyon, illustrated with handwritten diagrams and numerous samples of fabric laminated. One in-4 manuscript notebook is included; 31 volumes in all.