Sticking-Plaster. Take half an ounce of benzoin, and six ounces of rectified spirit, dissolve and strain; then take one ounce of isinglass, and half a pint of hot water; dissolve and strain apart from the former. Mix the two, and cool. This jelly is to be brushed ten or twelve times over black silk, stretched smooth. Dry, and finish with a solution of four ounces of chian turpentine, in six ounces of tincture of benzoin.