. Cyclopedia of textile work : a general reference library on cotton, woollen and worsted yarn manufacture, weaving, designing, chemistry and dyeing, finishing, knitting, and allied subjects . X. TEXTILE CHEMISTRY ANDDYEING, PAKT IV. ARTIFICIAL DYESTUFF5. i65. Dyers of the oldeu times depended almost entirely uponthe so-called natural dyestuffs, of which the number of useful oneswas limited. In those days the young dyer was seriously handi-capped in his search for information, for the dealers in these nat-ural dyestuffs knew little, if anything, about their application, andas there were no pub
. Cyclopedia of textile work : a general reference library on cotton, woollen and worsted yarn manufacture, weaving, designing, chemistry and dyeing, finishing, knitting, and allied subjects . X. TEXTILE CHEMISTRY ANDDYEING, PAKT IV. ARTIFICIAL DYESTUFF5. i65. Dyers of the oldeu times depended almost entirely uponthe so-called natural dyestuffs, of which the number of useful oneswas limited. In those days the young dyer was seriously handi-capped in his search for information, for the dealers in these nat-ural dyestuffs knew little, if anything, about their application, andas there were no publications on the subject, the young mansonly source of information was from older dyers. A decided change took place between the years 1856-1860,when it was discovered that coloring matters, which surpassed anyof the natural dyestuffs in brilliancy, could be manufactured fromthe products of the distillation of coal tar. Many of these so-calledcoal-tar colors were discovered and juit upon the market, and, as themanufacturers knew more about their application than the dyers,it was to the advantage of the former to circulate this a result, the dyestuff manufacturers published
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