Varnishes
The solutions of the various resins in alcohol, the drying-oils, or the essential oils. Transparent varnish for patterns: Alcohol 1 gallon, best shellac 2 1/2 pounds; to be kept warm, not hot nor cold. Common oil-varnish: resin 4 pounds, beeswax 1/2 pound, boiled oil 1 gallon; mix when warm; then add spirits of turpentine 2 quarts. Mastic varnish: Mastic 1 pound, white was 1 ounce, spirits of turpentine 1 gallon; reduce the gums small, then digest with heat in a closed vessel till dissolved. Turpentine-varnish: Resin 1 pound, boiled oil 1 pound; melt; then add turpentine 2 lbs.; mix well. Gold-varnish: Digest shellac 16, sandarac, mastic, of each 3, crocus 1, gamboge 2, all bruised, with alcohol 144. Chinese quick-drying: Sandarac 2 ounces, mastic 2 ounces, alcohol 1 pint. Copal varnish: Pale hard copal 2 pounds; fuse; boil with one pint drying-oil and thin with turpentine. See BLACK VARNISH; etc.
Vegetable Casts in Metal.--See INSECT CASTS IN METAL.