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loys are combined with vulcanite in the patents of Fowler, February 7 and 14, 1865. According to some analyses, wootz (East Indian steel) is alloyed with aluminium. Lancaster's (1858, England) gun-metal : copper, 90; aluminium, 100. Alum Leath′er. Leather tanned by a composition of alum and salt. Three pounds of salt and four of alum are used to one hundred and twenty middle-sized skins, which are placed in a tumblingbox with a sufficient quantity of water. The process, with the se in contact with the ground in somewhat similar manner to the natural action of the legs of animals or of man. The light carriages driven by hands or feet will be considered under the heading velocipede. See also traction-engine. A-mer′i-can Leath′er. An enameled cloth imitating leather. Am′i-ci's prism. A glass prism mounted beneath the stage of a microscope to obliquely illuminate an object beneath the stage. The prism has a flat-bottom side and two lenticular sides, combines
lacing it on a mandrel. In hand polishing, the work is roughed down with slips of water-of-Ayr stone and water, followed by slips of wood dipped in powder of pumice-stone and crocus successively. En-am′eled board. Card-board treated with a surface of white lead and size laid on by a large, flat brush and smoothed by a round badger's-hair brush. A powder of talc (silicate of magnesia) is rubbed upon the dried surface of lead, and the face is then polished by the brush. En-am′eled Leath′er. A glazed leather for boots, shoes, carriage upholstery, and other purposes. It is prepared from hides, which are split to the required thickness, well tanned, curried, and passed through two operations; the first to render the leather impermeable to the varnish, and the latter to lay on the varnish. The hides used are those of kip, calf, ox, or horse. They are rubbed on the grain or flesh side with three coatings of boiled linseed oil mixed with ochre or ground chalk, and dried<
rments. Ja-pan′. 1. A hard, black varnish, obtained from the Stagmaria verniciflua of the East Indies. 2. An asphaltum varnish. See varnish. Ja-pan′--earth. (Tanning.) Terra japonica, catechu, cutch. An astringent matter obtained from the Areca catechu and Acacia catechu; used in tanning. Jap-a-nese′ silk. (Fabric.) A dress goods having a linen chain and silken weft. Ja-pan — ink. A writing-ink which has a dark, glossy color when dry. See ink. Ja-panned′ Leath′er. Leather treated with several; coats of Japan varnish and dried in a stove. Ja-pan′ning. The art of coating wood, metal, or paper, with a thick coat of hard, brilliant, varnish. The art originated in Japan. Japanning involves the baking of the varnished article. The Japanese employ a lacquer obtained from a tree by making incisions in the trunk and collecting the juice; this is at first like cream, but becomes black by exposure to the air. Their process is said to
An artificial water-course. A mill-race. Leath′er. The tanned or tawed skin of an animal. g-machine. Steel.Yufts. Stitching-clamp. Leath′er, Ar-ti-fi′cial. Cloth treated with oils,s an eye-point to carry the lacing through. Leath′er—board. (Leather.) A composition of leaground together and rolled out into sheets. Leath′er—boarding ma-chine′. A machine in which tining machine. Leather-cutting (Thebes). Leath′er-flesh′ing ma-chine′. A machine for reducreceiving the thread of a line of stitches. Leath′er-grain′ing ma-chine′. A machine in which See boarding-machine, Figs. 740, 741. ante. Leath′er-grind′er. A machine for reducing scraps ing ma-chine′. A form of sewing-machine. Leath′er-rais′ing ma-chine′. (Harness.) A machine. Stearns's leather-splitting machine. Leath′er-skiv′ing ma-chine′. A machine for shavinterwards to be punched by hand or by power. Leath′er-stuff′er. A machine or a revolvin
Oil-cock. A faucet admitting oil from an oilcup to the journal. See oil-cup ; lubricator. Oil-cup. When portable, for oiling machinery, they are considered as oilers (which see). When attached to a boxing, or otherwise permanent, and devoted to a special bearing, valve, piston, etc., they are considered as lubricators (which see). Devices for holding oil, in which capacity and storage are elements in their usefulness, are considered under oil-can ; oil-tank ; oil-car. Oiled Leath′er. Leather dressed with oil; as chamois-leather (which see). Oiled Pa′per. Transparent paper used for tracing. See tracing-paper. Oiled silk. (Fabric.) Silk which has been treated with a boiled oil, so as to render it water and perspiration proof. Used as sweat-pads, as a lining in hats and bonnets to resist the perspiration, and over wet dressings of wounds to prevent evaporation. Oil′er. A can for applying oil to a journal. From the numerous forms the following
ch other. Two buckling straps are attached to each plate; these are applied to the lower part of the thigh and calf of the leg. The fractured parts are coapted, and strips of adhesive plaster e f applied above and below the kneepan; these are tightened by turning the key b, keeping the parts of the kneepan together. Patella apparatus. Pat′en. The plate which holds the wafer or consecrated bread of the communion service. It is sometimes made to fit the chalice or cup. Pat′ent Leath′er. A varnished or lacquered leather used for boots and shoes and in carriage and harness work. It embraces a number of varieties and qualities. Black is the usual color, but it is also made of red, green, blue, and other tints. The leather is specially prepared for the purpose, and is usually hemlock tanned; it is highly limed and treated with weak sour liquor, undergoing but a light stuffing. The hides are then split, some of the thicker ones being passed through the machine as man<
ed professionally for coloring white spots in the cornea. a, ordinary tattooing-needle. b, Baader's. c, Agnew's. Moses alludes to tattooing (Lev. XIX. 28). It was the mark of a devotee, was made by a hot iron or by needles, the punctures being filled with powder. The emblem of the deity or the profession was used; the moon, cross, arrow. Branding of slaves, deserters, and even of recruits, was practiced. Tauro-col′la. Glue of bull's-hide. Taw. See tawing. Tawed Leath′er. See tawing. Taw′ing. A process of tanning in which mineral agents are substituted for vegetable extracts. The leather produced is known as Hungarian, white, or alum leather; the latter from the use of alum as the principal agent. Tawing was practiced by the Romans. We read in Isidore of calcei (shoes), called alutoe, because the skin was softened by alum. Tatting-shuttle winder. The skins usually subjected to this process are those of the goat, sheep, deer, dog, and<
loth by drawing it through a tank divided into three compartments: the first containing a warm solution of alum; the second, warm solution of acetate of lead; and the third, pure water, which is kept constantly renewed. The cloth is then beaten and brushed, to remove the salt adhering to the exterior, and finally hot-pressed and brushed. Cloth thus treated, it is claimed, is rendered impervious to water, but permits air to pass freely through it. Water-pressure pump. Wa′ter-proof′ing Leath′er. A number of special compositions have been employed for rendering leather water-proof by filling up the minute pores-Among them are: 1. Boiled linseed-oil, mutton suet, yellow beeswax, and rosin, melted and applied while hot to the leather slightly warmed. 2. Linseed-oil, rosin, white vitriol, spirits of turpentine, and white-oak sawdust. 3. Yellow beeswax, Burgundy pitch, turpentine, and linseed-oil. 4. Two parts tallow and one rosin. 5. Apply a coating of tallow to the leather<