Important: Safety Warning
This page describes trade processes that use dangerously toxic materials such as cyanide solutions, mercury amalgams, or strong acids. These processes require training, equipment, and precautions far beyond what the text describes.
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Brown for Worsted or Wool
be too deep, use a little soap in rinsing, using warm water. Water, 3 gallons ; bichromate of potash, warm water. ounce. 316. Violet Color for Worsted may be Boil the goods in this 40 minutes; wash out in cold water. Then take 3 gallons produced by using a table-spoonful of violet water, 6 ounces peachwood, and 2 ounces liquor instead of a tea-spoonful. turmeric. Boil the goods in this 40 minutes; water, put 1/2 tea-spoonful picric acid, and rath. 317. Pea Green for Silk. To 1 quart the goods in this 40 minutes; 317. Pea Green for Silk. To 1 quart water, put tea-spoonful picric acid, and rath wash out. 306. Imperial Blue for Silk, Wool, er more than 1/2 wine-glassful sulphuric acid, and Worsted. Water, 1 gallon; sulphuric and a tea-spoonful paste extract of indigo; acid, a wine-glassful; imperial blue, 1 table- boil about 5 minutes, then add water to cool spoonful or more, according to the shade re- it down to blood heat, or 100° Fahr. Put in quired. Put in the silk, worsted, or wool, the silk, and work it about 20 minutes. The , or wool, the silk, and work it about 20 minutes.
The and boil 10 minutes; wash in a weak solution shade may be varied by adding more or less of of soap lather. the picric acid, or extract of indigo; if more 307. Sky Blue for Worsted and Wool- of either be added, boil separately in a little en. Water, 1 gallon; sulphuric acid, a wineglassful; glauber salts in crystals, 2 tablesalts in crystals, 2 tablespoonfuls; liquid extract of indigo, 1 tea- , 1 teaspoonful. Boil the goods about 15 minutes; rinse in cold water.