Application of dyestuffs to textiles, paper, leather and other materials (1920)
Matthews, J. Merritt (Joseph Merritt), 1874-1931 · New York, Wiley · leaf 499
ter,mix with a solution of 15 lbs. of Logwood extract, and then add 3^ lbs.hj^drochloric acid. Start the dyeing cold and gradually raise the bathto a boil. The cotton at first will acquire a deep indigo blue color whichbecomes a bluish black on washing with calcareous water (Hummel).Another… … Fig. 247.—Railway Sewing and Rolling Machine for Sewing Pieces to Make a Con-tinuous Roll. (Curtis & Marble.) oxidize. In order to get a good black it is necessary to repeat the opera-tions one or more times. This black is rather expensive but stands fullingwith soap very well. A Logwood black…
Dyes and dyeing · Textile fabrics
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
