To prepare the wood for finish, if it be pine, give one or two coats of the "Varnish - Transparent for Wood," which prevents the pitch from oozing out, causing the finish to turn yellow, next, give the room at Least tour coats of pure zinc, which may be ground in only sufficient oil to enable it to grind properly; then mix to a proper consistence with turpentine or naphtha. Give each coat time to dry. When it is dry and hard, sandpaper it to a perfectly smooth surface, when it is read] to receive the finish, which consists of two coats of French zinc ground in, and thinned with Demar varnish, until it works properly under the brush.