Application of dyestuffs to textiles, paper, leather and other materials (1920)
Matthews, J. Merritt (Joseph Merritt), 1874-1931 · New York, Wiley · leaf 644
l for this purpose. The preparation of leather for dyeingconsists principally of freeing it as far as possible from foreign substancesadhering to it from the tanning process, and tliis is usually accomplishedby allowing the skins to lie for some time in running water in order to washoff the… … Fig. 285.—Drum Machine for Dyeing Leather. three to four hours, then fresh lukewarm water is added and the leather isdrummed for ten minutes longer; it should then possess a characteristicslipperly handle. Leather prepared with vegetable tanning must be freed from all excessof tannin material, as…
Dyes and dyeing · Textile fabrics
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