1867 Six Hundred Receipts by John Marquart

600 MISCELLANEOUS VALUABLE RECEIPTS.

105

No. 211. Tin-Liquor for Finks, Scarlets, Crimson, ^c. Take 1 part muriatic acid, and 1 part nitric acid, and kill with tin. No. 212. Tin- Liquor for Scarlets, Crimson, ^c. on Silks. Take 1 pound nitric and 1 pound muriatic acid, and about 1 J ounces sal-ammoniac ; kill with granu- lated tin.

No. 213. How to set an Indigo- Vat for Cotton.

Having a sufficiently large vat, nearly fill it with water; put in 30 pounds ground indigo, 50 pounds copperas, 50 pounds slaked lime ; occasionally^ stir it up, for 2 days. When perfectly settled, it is ready for use. When the vat is exhausted, renew with 4 pounds pearlash, 4 pounds lime, and 12 pounds copperas.

No. 214. A Blue- Vat for Silk and Woollen.

Take

pounds

indigo, and about 2 gallons

8

vinegar, work it well in the mill till fine ; if this is not convenient, put them on a slow fire for 24 hours till dissolved ; put in 1 pound madder ; mix these well, and put them into a vat containing 100 gallons urine ; stir well twice a day for one week. It may be then worked, always previously stirring it. This