PATENT GLUE.—One pound fine Isinglass and one pint Rain Water, boil and prepare an ordinary glue, then add slowly, stirring continually, two ounces Nitric Acid, bottle and it is fit for use. It will permanently adhere to wood, leather, paper and everything else. It sells for twenty-five cents an ounce; by keeping it secret Spaulding has made a fortune out of it; read his advertisement. Truly it is a young fortune to a good peddler.
PATENT BLACKING.—One gallon Alcohol, one ounce Sulphuric Acid, one and one-half pounds Gum Shellac; let stand 48 hours, then add one-fourth pound of Ivory Black. Let stand 24 hours, then carefully pour off the top. This is ready for use and is water-proof. This recipe cost $50; is for the polish of all leather. It sells in four ounce bottles at $1 per bottle.
STENCIL CUTTING.—Take a thin copper or brass plate, lay flat on the side, then take a sharp edged steel, write thereon the same as common writing, but press sufficiently hard to cut through the plate. To mark, lay the plate thus cut upon the cloth, and apply ink by means of a brush to the back of the plate, and it will wet the cloth where the cut is made by the writing. A little practice will enable a person to cut beautifully. There is money to be made at this. Some make $10 a day.
GLUE FOR CEMENTING PAPER AND LEATHER.—Take Isinglass and Parchment each one ounce, Sugar Candy and Gum Tragacanth each two drachms, add to them one ounce Water, and boil the whole together till the mixture appears (when cold) of the consistency of Glue; then pour it into any form you please. If this glue be wet with the tongue, and rubbed on the edge of paper, silk or leather that are to be cemented, they will, on being laid together, pressed tightly and suffered to dry, be as firmly united as other parts of the substance. It is fine to seal letters.
NEW ENGLAND SOAP.—Take three pounds of hard, white soap, shave it up fine, dissolve it in ten quarts boiling water; add one ounce Salts of Tartar, three ounces Borax; then take the same from the fire and set it away to cool; as soon as it becomes cool enough to bear your hand in, add one ounce liquid Ammonia; stir each article as you put it in.
TO HARDEN WOOD.—One often desires to impart the hardness of Oak to shutters, doors, etc., made of soft wood. This is easily done by giving them a first coating of common gray paint, and then sifting some very fine sand over it. When dry a coat of paint is laid on, after which the surface becomes so hard that it will resist the action of sun and rain, for many years without undergoing the slightest alteration.
WASHING FLUID.—Two pounds crude Potash, one ounce Sal Ammoniac, one-half ounce Saltpetre, two gallons Rain Water, one pint for eight gallons of Water, and one pound Soap. Put the clothes to soak over night and rinse in the morning. This has been sold for $5 for some time.
LIQUID CEMENT.—Cut Gum Shellac in 70 per cent Alcohol, put it in vials, and it is ready for use. Apply it to the edge of the broken dish with a feather, and hold it in a spirit lamp as long as the cement will simmer, then join together evenly, and when cold the dish will break in another place first, and is as strong as new.
TO CLEAN WINE DECANTERS.—Use a little Pearl Ash or Soda, and some Cinders and Water. Rinse them out with water.
TO CLEAN CHINA.—Use a little of Fuller's Earth and Soda or Pearl Ash with Water.