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Young's Demonstrative Translation of Scientific Secrets by Daniel Young
page 46 of 236 (19%)
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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