1t8 transactions of the [june 6, 



Scarlet Lac Dye Spirits. 



Nitric Acid . ... .2 parts. 

 Muriatic Acid ..... 1 part. 



Water 2 parts. 



Slowly add 2 ounces of feathered Tin to each pound of this liquid. 

 If the Tin be added in too o^reat a quantity at once, it will fire the 

 Spirits, precipitate Oxide of Tin, and render the spirits useless. It 

 generally takes about 2 days to make good Lac Spirits. 

 For 100 pounds of wool (clean) : — 



15 pounds of Lac Dye, 5 pounds of White Tartar, and 5 quarts 

 (imperial) of above Spirits. 



Boil solution 20 minutes, cool off a little, enter wool, and boil 1 

 hour ; shut off steam and let it soak at least 3 hours, then rinse (if 

 yarn, rinse in cold water ; if wool, rinse in water at 100° F.). 

 Use more or less Lac Dye, according to shade. 



Cochineal Scarlet. 



Same as Lac Dye, with the exception that the Spirits are entirely 

 of Muriatic Acid, with 2 ounces of Tin to each pound of acid, and 

 the Tin mav be added all at once without danger. 



Use one-third less Cochineal than Lac Dj^e. 



Yellow (Quercitron). 



Wool (clean) 



Quercitron Bark 

 White Tartar . 

 Muriate of Tin 

 Treat in same manner as Scar 



100 pounds. 



10 pounds. 

 5 pounds. 

 5 quarts, 

 [•let Lac Dye. 



There is no yellow colored with Fustic nowadays, and Welds are 

 only used on silk. 



Indigo-blue. 



There can be no recipe giv'en for indigo-blue that would be of any 

 service on a small scale. The following is used in a dye-house near 

 New York. 



Put into a vat T by 7 feet, heated by a coil to lfiO° F. 

 Woad 

 Indiffo 



Madder . 

 Wheat-bran 

 After standing- 12 hours it w 



500 pounds. 

 30 pounds. 

 10 pounds. 

 5 pounds, 

 ill require from 15 to 30 quarts of 

 sifted Caustic Lime, added gradually (about 2 quarts at a time) in 

 the course of from 48 to 72 hours. 



It will be at once seen that the success of the process depends 

 upon the skill of the operator. 



