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To Dissolve Copal in Spirit

gallon stone or tin bottle, bung down securely, Take the copal and expose it in a vessel and keep rolling it backwards and forwards formed like a cullender to the front of a fire, pretty smartly on a counter or any other solid and receive the drops of melted gum in a basin of cold water; then dry them well in a temperature of about 95° Fahr. By treating copal in this way it acquires the property of dissolving in alcohol. place, for at least 4 hours; when, if the gum is all dissolved, the varnish may be decanted, strained through muslin into another bottle, and allowed to settle. It should be kept for 6 or 9 months before use, as it thereby