. The coal tar colours of Farbwerke vorm. Meister Lucius & Brüning, Hoechst on Main, Germany and their application in wool dyeing . Indigo Substitute WE. •;. With 10% GLiubcrs saltand 4o sulphuric acid, atthe boil; in order to enhancethe to milling .inaddition is niiide to thedyebath of 1(» % chromealum or the sli;ide is after-treated with chrome alumfluoride of chrome or bi-chronie. With 10/o Ghiubers salt and 4°/o sulphuric acid at the boil. Indigo Substitute BS extra

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectdyesanddyeing, bookye