Home › Spirit Varnishes › Best White Hard Varnish

Best White Hard Varnish

It is best also to let the turpentine be exposed Rectified spirits of wine, 1 quart; gum sandafor some time in the sun, in a corked bottle, rach, 10 ounces; gum mastich, 2 ounces; gum that the watery particles may be gradually anime, 1/2 ounce; dissolve these in a clean can, dissipated. The bottle should not be stopped or bottle, in a warm place, frequently shaking quite tight. it. When the gum is dissolved, strain it

2908. Copal Varnish, according to through a lawn sieve, and it is fit for use. Professor Boettger should be made by first dis- 2919. Mordant, or Transfer Varnish. solving 1 part by weight of camphor, in 12 Mastich in tears, 6½ ounces; resin, 124 ounces ; parts ether; when the camphor is dissolved, 4 parts best copal resin, previously reduced to an impalpable powder, are added to the ethereal camphor solution placed in a wellstoppered bottle. As soon as the copal appears to be partly dissolved, and has become swollen, 4 parts strong alcohol, or methylated pale Venice turpentine (genuine) and sandarach, of each 25 ounces; alcohol, 5 pints; dissolve as before. Used for fixing engravings or tithographs on wood, and for giding, silvering, &c. (See No. 2928.) 2920. Map Varnish is prepared by pulverizing 1 ounce sandarach, 1 ounce mas می e SPIRIT VARNISHES. tich, 4 ounce elemi, dissolving them in ounce | circumstance that it is only partially soluble.

of Venice turpentine, and adding to it a solu- Take some broken amber, reduce to a coarse tion of 4 ounces shellac, and 3 ounces oil of powder, and place in a bottle with rather more lavender, in 12 ounces alcohol. (See No. than enough chloroform to cover them well; 2935.)