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 347
which is to dye the yarn in the cop withouthaving to unreel it. Besides effecting a saving in time and labour, the methodreduces to a minimum the danger of damaging the yarn. In nearly allthese patents one and the same principle is adopted—viz., the dye-liquor iseither forced or sucked… … mmtMm^/^///////A^myy^///y^^^^^^ Fig. 86.—Graemigers cop dyeing machine (section).
Dyes and dyeing
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