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Knight's Mechanical Encyclopedia (ed. Knight) 12 0 Browse Search
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loor limits the pressure. H is the door of entrance, which shuts air-tight. The patient has command of the air and steam valves by which the chamber is charged and the steam-coil heated. J′ is a seat, F a tie-rod, l an eduction water-pipe. Ware's compressed air-bath. Air-bed and air-cush′ion. These were known in the beginning of the eighteenth century, and were at first made of leather and afterward of airtight or Mackintosh cloth; at present they are made of vulcanized india-rubblum Metal743 Pewter6112216 Pewter41 Hard Pewter419216 Best Pewter10017 Pewterer's Temper 12 Pot Metal (used also for fauects)106 – 81 Shot Metal56 Cowper's alloy for turning in the rose engine for subsequent printing as letter press21 Biddery Ware1621284 Britannia Metal112 Britannia Metal (another formula)4444 Britannia Metal (Lardner's)8392288 Britannia Metal (Overman)38817Steel. German Tutania1484 Spanish Tutania2421 Queen's Metal9111Cadmium. Queen's Metal (another formula)41
ias; quoted by Athenaeus, A. D. 220. The Roman bedsteads were magnificent, and the weary climbed on to them by step-ladders on the open side; the other was closed by a side-board. The open side was sponda, the closed pluteus; the latter for the weaker vessel. The mattresses or beds were stuffed with wool or feathers. We cannot spare room to describe the gorgeous counterpanes. The bedsteads had canopies, but we do not read of curtains or testers. The bed, or rather bedstead, of Ware, mentioned by Shakespeare, is still in existence, and is to be seen at one of the inns in that village. It is twelve feet square. Many innovations have been made on the old-fashioned four-post bedstead. That known as the four-poster was, however, provided with four high posts and a tester, forming, with the curtains, a complete canopy by which the sleeper, if so disposed, could be fully protected against fresh air, and enjoy the pleasure of breathing as vitiated an atmosphere as he pleased
se is to be attached by its coupling to the thread on the pipe. A stopcock on the branch pipe is reached by a turn-key introduced at an opening in the pavement. Fire-plugs were first laid down in London in 1710. London was first supplied with water by leaden pipes in 1237. The water was brought from the Springs of Tyburn, a district long since included in the city, — not the city proper, but the metropolis as outsiders understand it. In 1613 Sir Hugh Middleton finished his aqueduct from Ware to London. This is yet called the New River, and discharges into a reservoir at Islington, a northern suburb of London. The water was distributed by wooden mains and lead-pipe branches. Water-carriers still plied their trade in the reign of Queen Anne, supplying households from the public pumps, which were and are yet numerous, and yield abundant and excellent water. 9. (Ordnance.) The wooden stopper in the vent of a petard. 10. a. A small tompion in the muzzle of a musket-barrel.
his brings us down to 1833. Hills seems to have been the most successful of the whole series of inventors. He traversed many of the roads leading out of London, traveling as much as 128 miles per day, at double the speed of ordinary stages. Ware's steam engine and carriage. Fig. 5648 is Ware's combined steam carriage and engine. More recent inventions of this class will be found under locomotive; road-locomotive; Street-Railway; traction-engine. Steam-case. See steam-casing;Ware's combined steam carriage and engine. More recent inventions of this class will be found under locomotive; road-locomotive; Street-Railway; traction-engine. Steam-case. See steam-casing; steam-chest. Steam-cas′ing. (Steam-engine.) A steam-jacket around a cylinder or other object to keep in the warmth. Invented by Watt, to prevent the radiation of heat from the cylinder. Steam-cham′ber. 1. The steam-room in a boiler; the space for the collection of steam, above the water-line. A steam-dome. 2. A chest or chamber in an apparatus in which the object is subjected to the wet heat of steam. Steam-chest. 1. (Steam-engine.) A box or chamber above the boiler <