Important: Safety Warning
This page describes trade processes that use dangerously toxic materials such as cyanide solutions, mercury amalgams, or strong acids. These processes require training, equipment, and precautions far beyond what the text describes.
In addition, this page directs the use of hazardous substances — such as benzine, gasoline, lye, or strong acids — for household tasks. These materials are highly flammable, corrosive, or poisonous, and the practices described have caused fires, burns, and poisonings.
This information has been left in for historical purposes but should not be acted upon.
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Cautions about Benzine
From 340. To Remove Paint Stains from Clothes. Chloroform is an excellent medium the facility with which it removes grease for the removal of stains of paint from clothes, spots from fabrics, this substance has come to etc. It is found that portions of dry white be regarded almost as a household indispensapaint, which resisted the action of ether, ben- ble. But few persons, however, realize the zole, and bisulphide of carbon, are at once dissolved by chloroform. If the paint is fresh, turpentine or alcohol will remove it. (See No. 338.) explosive character of benzine or the dangers attending the careless handling of the liquid.
Being one of the most volatile and inflammable products resulting from the distillation of petroleum, it vaporizes with great rapidity, so that the contents of a 4 ounce vial, if overturned, would render the air of a moderate sized room highly explosive. The greatest care should be exercised in handling this substance, in proximity to fire, and it is important to remember that the vapor escaping from an uncorked bottle will cause a flame to leap over a space of several feet. 341. To Remove Wax Stains from Silk. Mix powdered French chalk with lavender water to the thickness of mustard. Put it on the stain, and rub it gently with the finger or palm of the hand. Put a sheet of clean blotting paper and brown paper over it, and smooth it with a warm iron. When dry the chalk must be removed, and the silk gently dusted with a white handkerchief. If a faint mark still remains, a second application 347. To Remove Grease from Cloth. of French chalk and lavender water will generally remove it. If the wax stain has fallen thickly on the silk, it should be removed first carefully with a penknife.
Take 1 quart lime; add thereto as much water as will dissolve the lime and leave about 1 quart clear water after it has been well stirred and settled. Let it stand about two hours, 342. To Remove Wax Spots from and then pour off the clear liquid into another Cloth. Remove, by scraping with a knife, vessel. Now add to it 1/2 an ounce of pearlash; as much of the wax as you can without injury stir it well, and, when settled, bottle it for use. to the fabric; drop benzine on the spot, then This liquor is to be diluted with water, to suit with a sponge rub it gently; repeat it till the the strength or delicacy of the color of the spot disappears. cloth. It is applied with a piece of coarse 343. To Remove Spermaceti, or sponge, rubbing out the grease, and applying Stearine Stains. To remove spots of clear water afterwards. spermaceti, scrape off as much as you can This is one of the best receipts known for with a knife, then lay a thin, soft, white blot- the extraction of grease; but it is destructive ting paper upon the spots, and press it with a to certain vegetable colors. warm iron. By repeating this you will draw out the spermaceti. Afterwards rub the cloth where the spots have been, with some very soft brownish paper.