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Liquid Red

Macerate ground Brazil in vinegar, boil a few minutes, strain, and add a little alum and gum. Or, add vinegar to an infusion of litmus till it turns red. Or, boil or infuse powdered cochineal in water; strain, and add a little alum and gum. Or, dissolve carmine in liquor of ammonia, or in 2636. To Color Pickles and Sweetmeats Green. A beautiful green color, entirely destitute of any poisonous qualities, may be made by dissolving 5 grains saffron in + ounce distilled water, and in another vessel dissolving 4 grains indigo carmine in 1/2 ounce distilled water. After shaking each up thor- weak carbonate of potash water; the former oughly they are allowed to stand for 24 hours, is superb. (Sec No. 2623, &c.) and on being mixed together at the expiration 2646. To Tint Maps or Architects' of that time a fine green solution is obtained, capable of coloring 5 pounds of sugar.

Plans. Maps, paper, or architects' plans may be tinted with any of the simple liquid colors just mentioned. To prevent the colors sinking and spreading, which they will usually do on common paper, the latter should be wetted