The coal tar colours of Farbwerke vorm. Meister, Lucius & Brüning, Hoechst on Main, Germany, applied in calico printing (1908)
Farbwerke vorm. Meister Lucius & Brüning · Hoechst o/M, Lucius & Brüning · leaf 262
system of driving gear. The above sketch shows an installation by Messrs. Mather and Piatt,Limited of Manchester. In working with the copperas or zinc lime vat which contain largerquantities of sediment, handrakes were formerly used for stirring the liquid. — 247 — This operation was afterwards… … Fig. 18 Although clear vats are generally preferred to muddy ones, still thereare dyers who have their vats stirred continually. Their object is to preventthe sediment from increasing too quickly, and not to lose time in waiting forthe liquids to dear. A muddy vat, however, is easily subject to…
Coal-tar colors · Dyes and dyeing · Calico-printing
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