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Varnish for Gun Barrels

The varnish used for gun barrels, after they are 2947. Solvents for India-Rubber bronzed, is made by dissolving 1 ounce of and Gutta-Percha to Make Flexible shellac and 1 or 2 drachms of dragon's blood Varnish. Rubber does not dissolve easily in a quart of alcohol, and filtering the soluenough to give a varnish by simply placing tion through blotting paper into a bottle, it in a bottle with the solvent. Sulphuric which must be kept closely corked. This varnish, being laid on the barrel, and become perfectly dry, must be rubbed with a burnisher to render it smooth and glossy. ether is one of its regular solvents, but then it must be pure rectified ether, and not the mixture of ether and alcohol which is sold for ether in many drug stores. It also must be