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 68
e. Fig. 12 represents a dyeing apparatus for cops and cheeses built byB. Thies of Coesfeld i. Westphalia which contains a transportable frameor carrier. Whilst, in the above described mechanical dyeing apparatus, the circulationof the liquid is effected by pumps, the Thies apparatus makes use of… … After the material has been dyed in the above described manner, the copframe is lifted out of the dye vessel by special contrivances, and the liquidextracted by a draining apparatus, whereby the superfluous liquid is recovered. Care must be taken that the dye liquid is quickly removed from the…
Coal-tar colors · Dyes and dyeing
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