2957. Brilliant French Varnish for Boots and Shoes

2957.    Brilliant French Varnish for Boots and Shoes. Take 3/4 of a pint spirits of wine; 5 pints white wine; 1/2 pound powdered gum senegal; 6 ounces loaf sugar; 2 ounces powdered galls; 4 ounces green copperas. Dissolve the sugar and gum in the wine. When dissolved, strain; then put it on a slow fire, being careful not to let it boil. In this state put in the galls, copperas, and the alcohol, stirring it well for five minutes. Then remove from the fire, and, when nearly cool, strain through flannel, and bottle for use. It is applied with a pencil brush. If not sufficiently black, a little sulphate of iron, and half a pint of a strong decoction of logwood, may be added, with 1/16 ounce pearl-ash.

2958. Varnish for Fastening the Leather on Top Rollers in Factories

2958.     Varnish for Fastening the Leather on Top Rollers in Factories. Dissolve 23/4 ounces of gum-arabic in water and a like amount of isinglass dissolved in brandy, and it is fit for use.

2959. Varnish for Engraving on Glass

2959.      Varnish for Engraving on Glass. Wax, 1 ounce; mastich, 1/2 ounce; as-phaltum, 1/4 ounce; turpentine, 1/2 drachm.

2960. Etching Varnishes

2960.      Etching Varnishes. White wax, 2 ounces; asphaltum, 2 ounces. Melt the wax in a clean pipkin, add the asphaltum in powder, and boil to a proper consistence. Pour it into warm water, and form it into balls, which must be kneaded, and put into taffeta for use. Or: white wax, 2 ounces; Burgundy pitch, 1/2 ounce; black pitch, 1/2 ounce. Melt together, and add by degrees 2 ounces powdered asphaltum, and boil it till a drop cooled on a plate becomes brittle.

2961. Etching Fluid for Copper

2961.      Etching Fluid for Copper. Aquafortis, 2 ounces; water, 5 ounces. Mix.

2962. Callot's Eau Forte for Fine Touches

2962.      Callot's Eau Forte for Fine Touches. Dissolve 4 parts each of verdigris, alum, sea salt, and sal ammoniac, in 8 parts vinegar; add 16 parts water, boil for a minute, and let it cool.

2963. Etching Fluid for Steel

2963.     Etching Fluid for Steel. Iodine, 1 ounce; iron filings, 1/2 drachm; water, 4 ounces. Digest till the iron is dissolved. Or: pyroligneous acid, 4 parts by measure; alcohol, 1 part. Mix, and add 1 part double aquafortis (specific gravity 1.28). Apply it from 11/2 to 15 minutes.

2964. To Make Colored Prints Resemble Oil Paintings

2964.     To Make Colored Prints Resemble Oil Paintings. Take of Canada balsam, 1 ounce; spirit of turpentine, 2 ounces; mix them together. Before this composition is applied, the drawing or print should be sized with a solution of isinglass in water, and, when dry, the varnish should be applied with a camel's-hair brush.