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 132
the centre one,the steaming box, protrudes into the two adjoining chambers at either end andthus divides these each into two compartments. In the first chamber the clothruns through the lye, and gets thoroughly saturated with it; it is then guidedinto the steam box, which it passes in long hanging… … Fig. 3. The actual process of boiling with alkali is here, therefore, replaced bysteaming; the material which is impregnated with soda lye and bisulphite issteamed for varying lengths of time, the latter being regulated by the speedof the machine. The production can be increased by running two or…
Coal-tar colors · Dyes and dyeing
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