221. Chrome Dyes for Woolen Goods

221.  Chrome Dyes for Woolen Goods. The quantities given in the following receipts are for dyeing 5 pounds of woolen goods, unless otherwise stated. It must be understood that the goods must be cleaned before dyeing, and the dyeing must always be performed at a boiling heat.

222. Black

222.    Black. Work for 1 hour in a bath with 8 ounces bichromate of potassa, 6 ounces alum, and 4 ounces fustic; lift, and expose to the air for a short time; wash well, and then work for 1 hour in another bath with 4 pounds logwood, 4 ounces barwood, and 4 ounces fustic; lift, and add 4 ounces copperas in solution; work half an hour in this, and then wash and dry. In order to dye a blue black, the goods must be first dyed blue by the vat (see No. 130 (Indigo Blue Dye for Yarn)) or otherwise, and then proceeded with as for black, only using less materials.

223. Brown

223.    Brown. Work for half an hour in 8 ounces of bichromate of potassa; lift, and expose till cold; then work an hour in 2 pounds fustic, 4 ounces madder, 3 ounces cudbear, 4 ounces tartar, 2 ounces logwood; lift out and dry; or it may be washed before drying

224. Rich Yellow Brown

224.    Rich Yellow Brown. Work for an hour in the following bath: 2 ounces bichromate of potassa, 2 ounces argol, 2 ounces alum; wash from this bath; then work about 40 minutes in another bath made up with 2 pounds fustic, 1 pound madder, 8 ounces peachwood, and 4 ounces logwood; wash out and dry. This gives a very beautiful brown; and a great variety of tints and shades may be made by varying the quantities of the last bath, the first bath remaining the same.

225. Rich Yellow

225.    Rich Yellow. "Work for half an hour in a bath with 3 ounces bichromate of potassa and 2 ounces alum; lift, and expose till well cooled and drained; then work for i hour in another bath with 5 pounds fustic; wash out and dry.

226. Bottle Green

226.    Bottle Green. Work for an hour in a bath with 2 ounces bichromate of potassa and 4 ounces alum; lift out and expose to the air till cold; then work for an hour in a second bath with 3 pounds fustic, 11/2 pounds logwood; wash out and dry.

227. Invisible Green

227.    Invisible Green. "Work for an hour in a bath with 3 ounces bichromate of potassa, 4 ounces alum; lift, and expose to the air for some time; then work for an hour in a second bath with 2 pounds fustic, 31/2 pounds logwood; wash out and dry. By comparing these last two receipts it will be seen that the different shades are produced by varying the proportions of the same dye-stuffs, and will serve as a guide for other shades of dark green.

228. Olive

228.    Olive. "Work for an hour in a bath with 4 ounces chrome, 2 ounces alum; lift and expose to the air; then work for an hour in a bath with 3 pounds fustic, 11/2 pounds camwood, 1 pound logwood ; lift out and dry.