MANUSCRIPT - CRYSTAL FACTORY - VAL SAINT-LAMBERT Anonymous In-folio.... Lot 17

[MANUSCRIPT - CRYSTAL FACTORY - VAL SAINT-LAMBERT] Anonymous In-folio. 265 pp. Full canvas with the title Fabrication on the spine and on the first page. Jaws split at the head and tail, stained binding. Manuscript in black ink by a master glassmaker from the Val Saint-Lambert at the beginning of the 20th century (before the First World War). In addition to the vocabulary specific to his art, the different materials used and advice on cooking methods, it contains dozens of recipes necessary for the manufacture of crystal and glass. The author mentions on numerous occasions the results of firing on a specific date according to the furnaces used (furnaces 1, 2, 3 and 4). Rare and important working document.