6300. Preservation of Stone

6300.    Preservation of Stone. Doctor Eugene Robert, of Paris, recommends copper salts as being the best preservatives of stone in a damp climate. These salts prevent the formation of lichens, to the action of which M. Robert attributes the destruction of stone. This is, without doubt, true for granite, but its efficiency for sandstone is questionable. The latter deteriorates by exfoliation, without the development of any vegetation.

6301. Ground Tea

6301.    Ground Tea. A French chemist asserts that if tea be ground like coffee before hot water is poured upon it, it will yield nearly double the amount of its exhilarating qualities.

6302. To Impart a Fine Flavor to Tea

6302.    To Impart a Fine Flavor to Tea. To impart a fine flavor to ordinary tea, place rose leaves in the tea-canister, or add one drop of the attar of roses on a piece of soft paper to every pound of tea, and keep the canister closely covered.

6303. To Prevent Stoves From Rusting

6303.   To Prevent Stoves From Rusting. Kerosene applied with a rag to stoves will keep them from rusting during the summer. It is also an excellent material to apply to all iron utensils used about a farm.

6304. To Remove Pin-Spots from Steel

6304.      To Remove Pin-Spots from Steel. Get a small iron box with a sliding top to it, fill it with pulverized charcoal, and imbed the pieces of steel in it, put in the top, and lute with fire-clay. Heat it in a slow fire, to a red heat, then take out and let it cool off.

6305. Remedy Against the Cracking of Wooden Taps and Faucets

6305.    Remedy Against the Cracking of Wooden Taps and Faucets. This is best prevented by putting the taps and faucets in melting paraffine, and heating them there at a temperature of 212° Fahr., until bubbles of air cease to escape from the wood. The whole is then allowed to cool to about 120° Fahr., when the taps are taken from the bath and cleaned from the adhering paraffine by rubbing with a dry coarse piece of cloth.

6306. French Composition for Washing

6306. French Composition for Washing. Dissolve 1 pound hard soap in 6 gallons of water, then add 1/4 ounce spirits of turpentine and 1/2 ounce spirits of hartshorn.

6307. Cheap Family Soap

6307.    Cheap Family Soap. Add to 10 quarts of water, (6 pounds of quicklime (shell lime is best), and 6 pounds common washing soda. Put all together and boil for half an hour, and let it stand all night to clear. Draw off the lye, and add to it 1 pound common resin and 7 pounds of fat (any fat will do). Boil this for half an hour, then let it stand till cool, and cut into bars.

6308. To Make a Bad Yellow Soap Good and Hard

6308.    To Make a Bad Yellow Soap Good and Hard. Heat a solution of 28 pounds hyposulphite of soda in 4 gallons water, with 250 pounds of bad yellow or brown soap, and the result will be a good hard soap. This is Desborough's patent.