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 333
open vessels, the material, after having beenthoroughly wetted by boiling with water or soda ash and washed, is mordantedand dyed either in wooden vessels provided with a false bottom and heated bysteam, or in copper vessels similar to those used in wool dyeing. There is,indeed, a tendency for the… … .\\\\\\\\\\\\\\W^ Fig. 68.—Obermaiers dyeing machine for loose fibre. the carding and spinning, so that, as long as the shade is right in the yarn, thisv.ould be no great disadvantage. The Obermaier apparatus may also be used for the dyeing of loose cotton,or wool. A general view of this apparatus,…
Dyes and dyeing
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