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To Clean Glass Bottles

Chop Scientific American, for cleaning kid gloves: mann gives the following directions, in the A bottle 2 feet high, and 1 to 14 feet wide, ❘ smell of benzine is always a sign of carelessthe stopper of which is also made of glass, is ness on the part of the workman, who can filled with 2 pounds of benzine. Then the readily conduct all the benzine vapors up the gloves which are to be washed are put also chimney. (Sce No. 346.) into the bottle. On this account the neck of 440. To Re-Distill and Purify Benthe bottle must be very wide, perhaps from 1/2 zine that has been used for Cleaning to foot in diameter. Such bottles are easily Kid Gloves. If the operation of distilling obtained, being much used in pharmacy. As the benzine is disagreeable to the glove maker, many gloves may be introduced into the bot- he can have it purified at the apothecary's or tle as the liquid will cover. The bottle is chemist's. It is, however, an operation which then closed, well shaken, and allowed to stand some minutes. The shaking is repeated, the bottle opened, and the gloves taken out with a pair of iron forceps.

To prevent the possibility of there being any smell, it is a good plan to open the bottle under a good chimney, which thus carries off all the vapor that escapes.

The gloves, when brought by the forceps to the mouth of the bottle, are taken out, one after the other, by the hand, and wrung out, care being taken that the superfluous liquid runs back again into the bottle. It is highly advisable to perform this operation under a chimney, or the workman will soon suffer from the injurious influence of the volatile hydrocarbon.

Under the chimney is placed a cord stretched between two pins, and the gloves are hung upon this by means of small S-shaped hooks. After hanging a short time they will be dry.

The benzine contained in the bottle dissolves all the grease which adheres to the gloves, and the dirt which had been combined with the grease is consequently removed at the same time. The benzine remaining in the bottle assumes a dirty gray color during the process of washing. over.

When the benzine has become too dirty, it is put into a distilling apparatus, and distilled In this way the benzine is restored to its original purity and whiteness, so that it can be used again in further operations. (For directions how to accomplish this, see next receipt.) The gloves, when taken out of the bottle, are often not quite clean, in which case it is necessary to rub them with a rag, moistened with benzine, in all places where they are still dirty.

Thus the last traces of dirt are removed, and the gloves become perfectly clean. In this state they may be hung on a cord under the chimney.

The gloves soon become dry, but a part of the benzine still remains behind, which is less volatile, and which, when the glove is in contact with the warm hand, causes a strong odor of benzine to be evolved.

To remove this also, the gloves are placed on a common plate, which is put upon an iron pot containing boiling water. The first plate is covered with a second, and the gloves between the two plates are heated at the boiling temperature of water, until the last traces of the unvolatilized benzine have escaped.

The gloves are now removed from the plate, and put upon a wooden glove-stretcher, or shape. In this way they are made to resume their original form, and are now ready for use.

The whole operation must be so conducted that no smell of benzine is perceptible. The he can readily perform himself The apparatus is neither complicated nor expensive. A small wooden pail, such as is used in every establishment, is furnished with two holes. The first of these is drilled near the upper margin of the pail, so that, when the pail is filled with water, the water runs out through the hole, until the surface of the water within the pail is on a level with the lowest portion of the hole, that is to say, just below the upper margin of the vessel.

On the opposite side of the pail another hole is made, but this time near its bottom, so that water would run through this hole, until the surplus of the contained water was within a short distance of the bottom.

A leaden tube, the thickness of which equals the diameter of the hole, is bent so as to form a distilling worm, the upper end of which is inserted into the upper opening, and the lower end into the lower hole.

The tube is tightly inserted into both holes, so that no water can run through the space between the tube and the hole.

The pail is then filled with cold water.

The upper and lower ends of the leaden tube must project a little beyond the outer surface of the pail-perhaps two inches.

The lower end is bent downward a little.

The upper end is a little enlarged, so that the tube forms a sort of funnel above.

In this is inserted a glass retort, conveniently fixed in a holder. The space between the neck of the retort and the enlarged end of the leaden tube is conveniently filled with moistened cotton, so that no vapors can escape through it.

It is a good plan to employ a glass retort with a tube, so that any fluid can be poured into it when the apparatus is already fixed.

Having placed the retort on a vapor bath, where it can be heated at 212° Fahr., the neck of the retort is connected with the worm, as above mentioned, and the pail filled up with cold water. The retort is then filled with the impure benzine or petroleum essence which has been used in washing gloves.

After pouring in the benzine, the tube of the retort is closed by a stopper, and then the apparatus is completed by a bottle placed under the lower end of the leaden tube, which projects beyond the outer surface of the pail, so that the liquid running down this flows directly into the bottle.

The vapor bath is now heated, the retort soon becomes warm, and the volatile liquid begins to distill over, either quickly or slowly, according to the way in which the heating process is conducted.

The vapor of the hydrocarbon condenses in the worm, and a stream of liquid flows out of its mouth. In a short time there remains behind in the retort only the grease which the benzine has extracted from the gloves. ! 441. To Refine Ox-gall for Fixing and shake and beat them, so as to render Chalk and Pencil Drawings, and Re- them perfectly free from dust. Have the moving Grease. Allow fresh ox-gall to re- floor thoroughly scoured and dry, and nail the pose for 12 or 15 hours, decant the clear, and carpet firmly down upon it. If still much evaporate to the consistence of a thick syrup, soiled it may be cleaned in the following manin a water-bath; then spread it thinly on a ner: Take a pailful of clean cold spring wadish, and expose it before the fire, or to a current of dry air, until nearly dry. It will then keep for years in wide-mouthed bottles or pots, covered over with bladder. For use, a little tis dissolved in water.

Or:-fresh gall, 1 pint; boil, skim, add pounded alum, 1 ounce; boil again until the alum is dissolved, and when sufficiently cool, pour it into a bottle, and loosely cork it down; in a similar manner boil and skim another pint of gall, and add to it 1 ounce of common salt; boil till dissolved, and cool and bottle as above. In three months decant the clear from both bottles, and mix them in equal ter, and put into it about 3 gills of ox-gall.

Take another pail with clean cold water only.

Now rub with a soft scrubbing brush some of the ox-gall water on the carpet, which will raise a lather. When a convenient sized portion is done, wash the lather off with a clean linen cloth dipped in the clean water. Let this water be changed frequently. When all the lather has disappeared, rub the part with a clean dry cloth. After all is done, open the window to allow the carpet to dry. A carpet treated in this way will be greatly refreshed in color, particularly the greens. Any particularly dirty spots should be rubbed by nearly quantities; the clear portion must then be pure gall first; and every spot of grease must separated from the coagulum by subsidence or be removed from the carpet by the following filtration. It is employed by artists to fix process: Scrape and pound together, in equal chalk and pencil drawings before tinting them, proportion, magnesia in the lump and fuland to remove the greasiness from ivory, tra- ler's earth. Having mixed these substances cing paper, &c. It is also used to extract well together, pour on them a sufficient quangrease and oil from clothes: for the latter tity of boiling water to make them into a purpose it answers admirably. paste. Lay this paste, as hot as possible, upon