The coal tar colours of Farbwerke vorm. Meister Lucius & Brüning : Hoechst on Main : and their application in dyeing cotton and other vegetable fibres (1907)
Farbwerke vorm. Meister Lucius & Brüning · New York : H.A. Metz · leaf 47
is ordinarily done by hand, andturns the sticks in regular intervals. The hanks, about 4 lbs. per stick, are not only turned by the machine,but are also stretched. The yarn is turned whilst the waggon is running in one direction, onreturning to its starting place, however, the turning mechanism is… … Fig. 2. Quite recently trials have been made to improve the method of yam-dyeingby connecting the separate skeins by means of special hooks and sticks to along broad rope, and dyeing them in a similar manner and in similar machinesas pieces. This method (system E. Thoen) is carried out by the firm…
Coal-tar colors · Dyes and dyeing
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