Home › Fixed Oils And Fats › Watchmakers' Oil

Watchmakers' Oil

Prepared sulphate of lead. Such cloth-cotton or wooltially waterproof, bat it is not so good as the by placing a strip of clean lead in a small en-sheds rain like the feathers on the back white glass bottle filled with olive oil, and exwhite glass bottle filled with olive oil, and ex- of a duck. posing it to the sun's rays at a window for 1554. To Waterproof Tweed Cloaks. some time, till a curdy matter ceases to de- | Dissolve pound alum in two quarts boiling WATERPROOFING. water, and pour the solution into a vessel about the same materials as the above by obcontaining 2 gallons cold spring water. serving the following proportions: Dissolve Immerse the garment in this vessel, and let 211 parts, by weight, of India rubber, in suf- 214 parts, by weight, of India rubber, in sufit remain 24 hours. Dissolve + pound sugar ficient benzine; then mix with it 15 parts of lead in 2 quarts of boiling water, and pour sawdust, 2 parts sulphur, 3 varts red lead, and the solution into another vessel containing 25 parts each of alum, slacked lime, and hemp gallons of cold spring water. Take the gar- tow, adding benzine to make the whole into ment from the first vessel, gently wring or a paste. For closing the joints on steam enclosing the joints on steam enpress it, and immerse it in the second vessel. Let it remain 6 hours, gently wring it, and hang it in the shade to dry. This receipt has been tried, and found to answer admirably.

It is very similar to the last, but only half the gines, hydraulic pumps, &c. 1558. To Render Articles Waterproof. A patent has recently been taken out in Paris for a method of rendering paper, cloth, cork, sponge, and other porous subquantity of sugar of lead is used, and the stances waterproof, as well as articles manucloth is immersed in the solutions separately. factured from these materials, including bankfrom these materials, including bank- 1555. Cooley's Method of Making notes, envelopes, gloves, clothing, paper colgloves, clothing, paper col- Cloth Waterproof. This is a simple, but lars, umbrellas, labels, &c. The process con- , labels, &c. The process conperfectly successful method of rendering sists in dissolving paraffine, cut up in small cloth waterproof without being, at the same slices, in pure naphtha or benzine, entirely free time, airproof. Spread the cloth on any from fat or oil. The solution is to be made smooth surface, and rub the wrong side with in a vessel with a glass stopper, and is to be a lump of bees' wax (perfectly pure and free shaken repeatedly until the result is accomuntil the result is accomfrom grease), until the surface presents a plished. An excess of paraffine should be slight, but uniform, white or grayish appear- used, SO as to makesure of having a perfectly to make sure of having a perfectly ance. If this be done carefully and thor- saturated solution. The articles to be treatsolution. The articles to be treatoughly, a lighted candle may be blown out ed are immersed in this for a time, according through the cloth, if coarse; and yet a piece to the thickness or porosity of the tissue, and of the same, placed across an inverted hat, arranged to secure either a complete saturaeither a complete saturamay have several glassfulls of water poured tion or the penetration of the liquid to any required depth. After removal, the or the penetration of the liquid to After removal, the into the hollow formed by it, without any of any required depth. the liquid passing through; pressure or fric- articles tion will alone make it do so.