Chapter IV: On Scouring and Dyeing Wool

On the action of alum and tartar upon wool—A pastil or woad vat for blue—To prepare the indigo mentioned in the preceding directions—Rules to judge of the state of the vat—Indications when a vat has had too much or too little lime—To work a vat which is in proper order—On the putrefaction of the woad vat—Methods of dyeing blues—To dye wool with lac-dye, scarlet, or crimson—To dye worsted yarn a crimson—A preparation of archil to finish the crimson—on dyeing wool scarlet—To dye wool maroon—To dye wool yellow—To dye wool brown or of a fawn colour—To dye wool purple, &c.—To dye wool green—A chemic vat for green woollen—A chemic vat for blue woollen—To dye wool orange, gold colour, &c.—To dye wool black—Another process for black without a blue ground—To dye wool a grey—Mixture of black or grey with red and blue—On browns, fawns, greys, &c.—On the yellow of Quercitron bark—On a full bright yellow from the same bark—Bancroft's murio-sulphate of tin—To dye wool buff—To dye wool peach—To set an indigo vat for worsted, serge, &c. 70

CHAPTER V.

ON DYEING SILK AND COTTON BLACK.

To dye silk black for velvets—To dye silk black _London process_—On dyeing cotton black at _Rouen_—To dye cotton black, _London process_—For dyeing black, particularly cotton velvets, at _Manchester_—On dyeing silk and cotton black with a blue ground—Another iron liquor—To dye cotton black by using the preceding solution—to dye cotton violet—To dye cotton red—To dye cotton an Adrianople or Turkey red—Miscellaneous observations relative to Adrianople red 105