PATENT BLACK JAPAN.
For iron or wood carriages, &c. Take 1 gallon of turpentine, 2¼ pounds asphaltum, put them into an iron pot over a charcoal fire and let remain until dissolved, then strain it—if it becomes too thick when cold add spirits of turpentine. For wood or canvass add while hot, to every gallon 1 pint of copal varnish and ½ pint of linseed oil. This is a good and cheap paint or varnish, used by a great many coach-makers, blacksmiths, &c.