The dyeing of cotton fabrics : a practical handbook for the dyer and student (1901)
Beech, Franklin · London : Scott, Greenwood · leaf 78
tion of dye-liquors from the vat through thecops, chambers and pump back to the vat again. The left upper chamber is practically a blank chamber.Those portions of the cop carriers in contact with it arefilled with cops, which are placed on perforated spindles; thediscs are given a quarter… … Fig. 14.—Graemiger Cop-dyeing Machine. with a new lot of cops, another quarter of a revolution isgiven to the cop carriers, which immerse the new lot of copsin the dye-liquor. The third quarter of the cop plates is filledwith cops. A third movement of the cop plates now takesplace; this brings the…
Dyes and dyeing
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