MR. T. PACKER, _Stamford Street, Black-Friars Road_. The author has only to add, that an Index is now appended to the work, by which every article may be most readily and conveniently found. _London, Nov. 1829._ ERRATUM. Page 22, line 3, for _proximate_ read _ultimate_. CONTENTS. CHAPTER I. INTRODUCTORY. PAGE On the different branches of dyeing—On the drugs used in dyeing—On vegetable and animal substances—On substantive and adjective colours, and mordants—And on the leading facts of chemical science as connected with the art of dyeing—On the calico printer's mordant for yellow and red, and on compound colours—On bleaching—On the theory of fast and fugitive colours—On dye-houses and water—Miscellaneous observations 1 CHAPTER II. ON DYEING COTTON. To dye cotton a Saxon or chemic blue—Sulphate of Indigo—Saxon or chemic green—To set a cold indigo vat—Another Indigo vat—To dye cotton a fast green with the cold indigo vat and weld—Another cold blue vat for linen and cotton—solution of indigo for penciling printed muslin, &c.—To dye cotton a fast buff—To dye cotton pink 47 CHAPTER III. ON DYEING SILK. To alum silk—The blue vat of indigo for silk—Another blue vat for silk—To dye silk violet, royal purple, &c.—To dye silk lilac—Another process for lilac—Another process for dyeing muslin, &c. lilac—To dye silk a violet or purple with logwood—To dye silk violet with Brazil wood and logwood—To dye silk violet or purple with Brazil wood and archil 63 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.