Turner, Annabell · New York : D. Appleton and Company · leaf 97
SILK 83 Weighted silk, when burned, simply blackens and remains in practically the original form. A longer burning would again decompose the r … Original Residue Original Residue Weighted Silk Above, Pure Silk Below, Before and After Burning black carbon but still leave the mineral matter, usually in the form of a grayish or reddish ash^ depending on the mineral used,
Textile fabrics · Textile industry
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.