Young's Demonstrative Translation of Scientific Secrets by Daniel Young
page 46 of 236 (19%)
page 46 of 236 (19%)
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turpentine, and put into another bottle 6 ozs. of gum demar, with
16 ozs. alcohol, when they are dissolved put them together, and you have an excellent cheap varnish which dries quickly and is very clear. 107. COPAL VARNISH Take 1 oz. of copal, and 1/2 oz. of shellac, powder them well and put them into a bottle or jar containing 1 quart of spirits of wine; place the mixture in a warm place and shake it occasionally, till you see that the gums are completely dissolved, and when strained the varnish is fit for use. 108. WHITE HARD VARNISH Take 1 lb. of mastic, 4 oz. of gum anima; and 5 lbs. of gum sandrack, put them all together to dissolve, into a vessel containing 2 oz. of rectified spirits of wine, which should be kept in a warm place and frequently shaken till all the gums are quite dissolved; then strain the mixture through a lawn sieve, and it will be fit for use. 109. CRYSTAL VARNISH Procure a bottle of Canada balsam, which can be had at any druggist's; draw out he cork and set the bottle of balsam at a little distance from the fire, turning it round several times, until |
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