The dyeing of cotton fabrics : a practical handbook for the dyer and student (1901)
Beech, Franklin · London : Scott, Greenwood & Son ; New York : D. Van Nostrand · leaf 202
NITEOANILINE RED. when dyed is lifted out, wrung, and then it is well washed with water, soaped in a bath at 120° F., with a liquor containing h oz. soap per gallon, then dried. As the cotton yarn is being passed through the developing bath, the latter is freshened up from time to time by suitable… … Fig. 27. — Dye-tub for Paranitroaniline Red. The beta-naphthol bath does not keep well and in time tends to grow brown, and when this occurs stains are invariably produced on the cotton. When the yarn or cloth has been prepared with the beta-naphthol, and dried, the developing should be immediately…
Dyes and dyeing
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
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