1733. Seventh.—Give three coats with a solution of copper filings in aquafortis, and repeatedly brush over with the logwood decoction, until the greenness of the copper is destroyed.
1734. Eighth.—Boil half a pound of logwood chips in two quarts of water, add an ounce of pearlash, and apply hot with a brush. Then take two quarts of the logwood decoction, and half an ounce of verdigris, and the same of copperas; strain and throw in half a pound of iron rust. Brush the work well with this, and oil.
1735. Blue.—Dissolve copper filings in aquafortis, brush the wood with it, and then go over the work with a hot solution of pearlash (two ounces to a pint of water), till it assumes a perfectly blue color.
1736. Boil a pound of indigo, two pounds of woad, and three ounces of alum in a gallon of water; brush well over until thoroughly stained.