to dye Blue, Yellow, or Green. izy 



The dye is then allowed to ftand two days, until the whole 

 is incorporated, and the dye thickens. 



The dvers aflert that with this dye they can produce three 

 fhades of blue, and that, as the dyeing particles gradually 

 diminiih, they can dye alfo a green colour by the addition 

 of yellow. 



When a manufacturer gives cotton yarn to a blue dyer, 

 he firft boils it at home in a ley of foda (kalakar), then dries 

 it, wafhes it, and dries it again. The blue dyer lays this 

 yarn to fteep in pure water, pretties out the fuperfluous water 

 with the hands, and then immediately begins to dip it in 

 the blue jar, often wringing it till it is completely penetrated 

 by the dye. This firft tint is generally given to yarn in fuch 

 jars as have had their colouring matter partly exhaufted. It 

 is then dried, rinfed, and again dried ; after which, it is put 

 into the frefli blue dye, properly faturated ; and, after the 

 colour has been fufficiently heightened, it is dried for the laft 

 time. 



For a yellow dye, the dyers of Aftracan employ partly 

 faw-wort, brought from Ruffia, and partly the leaves of the 

 liflar beige or fumach. The procefs is as follows : The 

 varn is firft boiled for an hour in a ftrong ley of foda', it is 

 then dried, afterwards rinfed and laid wet to fteep for twelve 

 hours in a folution of alum with warm water. When it has 

 been dried in the air, it is laid to foak feveral times in 

 troughs with the dye which has been boiled thick in kettles 

 from the above-mentioned plants, till it has acquired the 

 wiflied-for colour, care being taken to dry it each time it is 

 ibaked. It is then rinfed in running water, and dried far 

 the lalt time. 



On this yellow colour a green is often dyed. After the 

 yarn has been dyed yellow, it is given out to the blue dyer, 

 who immediately dips it in the blue jars, the dye of which 

 has been already partly exhaufted ; and if the green colour 

 is not then fufficiently high, the operation is repeated, the 

 yarn being dried each time. 



Ok- 



