Take of a mixture made of:

2/3 Sapan wood..............56 parts

1/3 Lima wood...............56 parts

Soda crystals......42 parts

Alum.............56 parts

Extract the color from the woods as for rose pink, and next boil the soda and alum together and add to the woods solution cold. This must be washed clean before adding to the wood liquor.

Carnation Lake

Water.............. 42 gallons

Cochineal........... 12 pounds

Salts of tartar....... 1.5 pounds

Potash alum........ J pound

Nitrous acid, nitromuriate of tin..... 44 pounds

Muriatic acid, nitromuriate of tin..... 60 pounds

Pure block tin, nitro-

muriate of tin..... 22 pounds

Should give specific gravity 1.310. Boil the water with close steam, taking care that no iron touches it; add the cochineal and boil for not more than five minutes; then turn off the steam and add salts of tartar and afterwards carefully add the alum. If it should not rise, put on steam until it does, pass through a 120-mesh sieve into a settling vat, and let it stand for 48 hours (not for precipitation). Add gradually nitromuriate of tin until the test on blotting paper (given below) shows that the separation is complete. Draw off clear water after it has settled, and filter. To test, rub a little of the paste on blotting paper, then dry on steam chest or on the hand, and if on bending it cracks, too much tin has been used.

To Test the Color to See if it is Precipitating

Put a drop of color on white blotting paper, and if the color spreads, it is not precipitating. If there is a colorless ring around the spot of color it shows that precipitation is taking place; if the white ring is too strong, too much has been used.