2881. Pale Amber Varnish

2881.    Pale Amber Varnish. Amber, pale and transparent, 6 pounds; fuse, add hot clarified linseed oil, 2 gallons; boil till it strings strongly, cool a little, and add oil of turpentine, 4 gallons. Pale as copal varnish; soon becomes very hard, and is the most durable of oil varnishes; but requires time before it is fit for polishing. When wanted to dry and harden quicker, drying oil may be substituted for linseed, or dryers may be added during the boiling.

2882. Tough Amber Varnish

2882.    Tough Amber Varnish. Amber, 1 pound; melt, add Scio turpentine, 1/2 pound; transparent white resin, 2 ounces; hot linseed oil, 1 pint; and afterwards sufficient oil of turpentine as above. Very tough.

2883. Hard Amber Varnish

2883.    Hard Amber Varnish. Melted amber, 4 ounces; hot boiled oil, 1 quart; as before.

2884. Very Pale Amber Varnish

2884.     Very Pale Amber Varnish. Very pale and transparent amber, 4 ounces ; clarified linseed oil and oil of turpentine, of each 1 pint; as before. Amber varnish is suited for all purposes where a very hard and durable oil varnish is required. The paler kind is superior to copal varnish, and is often mixed with the latter to increase its hardness and durability.

2885. Varnish for Waterproof Goods

2885.  Varnish for Waterproof Goods. Let 1/4 pound of India-rubber, in small pieces, soften in 1/2 pound of oil of turpentine, then add 2 pounds boiled oil, and lot the whole boil for 2 hours over a slow coal fire. "When dissolved, add again 6 pounds boiled linseed oil and 1 pound litharge, and boil until an even liquid is obtained. It is applied warm, and forms a waterproof coating.

2886. India-Rubber Oil Varnish

2886.      India-Rubber Oil Varnish. Take 4 ounces India-rubber in fine shavings, dissolve in a covered jar by means of a sand-bath, in 2 pounds of crude benzole, and then mix with 4 pounds hot linseed oil varnish, and i pound oil of turpentine. Dries well.

2887. India-Rubber Oil Varnish

2887.      India-Rubber Oil Varnish. Cut up 1 pound India-rubber into small pieces and diffuse in 1/2 pound sulphuric ether, which is done by digestion in a glass flask on a sand-bath. Then add 1 pound pale linseed oil varnish, previously heated, and after settling, 1 pound oil of turpentine, also heated beforehand. Filter, while yet warm, into bottles. Dries slowly.

2888. Gutta-Percha Oil Varnish

2888.      Gutta-Percha Oil Varnish. Clean 1/4 pound gutta-percha in warm water from adhering impurities, dry well, dissolve in 1 pound of rectified resin oil, and add 2 pounds linseed oil varnish, boiling hot. Very suitable to prevent metals from oxidation.

2889. Champagnat's India-Rubber Varnish

2889.     Champagnat's India-Rubber Varnish. In a wide-mouthed glass bottle, digest 2 ounces India-rubber in fine shavings, with 1 pound oil of turpentine, during 2 days, without shaking, then stir up with a wooden spatula. Add another pound oil of turpentine, and digest, with frequent agitation, until all is dissolved. Then mix l1/2 pounds of this solution with 2 pounds of very white copal oil varnish, and l1/2 pounds well boiled linseed oil; shake and digest in a sand-bath, until they have united in a good varnish. For morocco leather.