A manual of dyeing: for the use of practical dyers, manufacturers, students, and all interested in the art of dyeing (1919)
Knecht, Edmund, 1861-1925, Loewenthal, Richard, Rawson, Christopher · London : C. Griffin · leaf 222
d washed; finally, boiled a second time for ten hours withcaustic soda, 15 kgs. (or lbs.) for 100 kgs. (or lbs.) of cloth, and washed.They are then steeped for two hours in a solution of sulphuric acid (2° Tw.)(semiring), washed, padded in a weak solution of sodium carbonate (4° Tvv.)—toremove the… … Fig. 60.
Dyes and dyeing
Internet Archive · UMass Dartmouth, Claire T. Carney Library · Public Domain Mark 1.0. Free to use for anything.
