To color Silk Royal-blue

Ingredients

• ten pounds of silk
• one pint of good muriate of tin
• four ounces of tartaric acid
• one and a half pounds of dissolved prussiate
• one gill of oil of vitriol

Method

1. 1

   Make up a tub of nitrate of iron at six degrees, add the muriate of tin and tartaric acid; wring out and return, repeating for about an hour.

2. 2

   In another tub, add the dissolved prussiate and oil of vitriol.

3. 3

   Wash goods out of the iron tub, then put into the prussiate tub, repeat in iron twice and once in prussiate, wash out of the iron, and put in a tub with dissolved oil of vitriol until it tastes sour.

4. 4

   Give six wrings to clear off any rust.

As published

This recipe was extracted from Buckeye cookery (1892), page 372. The excerpt below is the record exactly as published.

To color Silk Royal-blue.—Take ten pounds of silk, make up a tub of nitrate of iron at six degrees, to which add one pint of good muriate of tin and four ounces of tartaric acid; wring out and return, repeating for about an hour; in another tub add one and a half pounds of dissolved prussiate, and one gill of oil of vitriol

Cook this with the app: pantry check, scaling, and the assistant.