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Knight's Mechanical Encyclopedia (ed. Knight), E. (search)
ested; one third the amount of condensation may be ascribed to the removal of oxygen, whose proportions for combining with hydrogen to form water are, oxygen 1, hydrogen 2, by bulk. The space between the thumb and the surface of the water in the open leg forms an air-cushion when the gases explode. Dobereiner's is founded upon the power of spongy platinum to cause the combination of oxygen and hydrogen gas. The labors of Bunsen, Regnault, and Reiset, Williamson and Russell, Franklin and Ward, have brought the instrument to the present efficient form. Eu′phroe. A long slat of wood, perforated for the passage of the awning-cords which suspend the ridge of an awning. The euphroe (or uphroe) and its pendent cords from a crow-foot Eu′style. （Architecture.) That style of intercolumniation in which the space between the columns was 2 1/2 times their diameter; so called from being considered the most beautiful style. E-vap′o-rating-cone. A Belgian evaporator, consi
Knight's Mechanical Encyclopedia (ed. Knight), F. (search)
NewellMay 25, 1869. *92,013B. BurtonJune 29, 1869. 92,048M. J. HindenJune 29, 1869. *92,129W. G. WardJune 29, 1869. 93,822B. B. HotchkissAug. 17, 1869. 94,047S. F. Van ChoateAug. 24, 1869. 94,458W. G. WardAug. 31, 1869. 94,577F. V. DiazSept. 7, 1869. 97,167A. A. ChussepotNov. 23, 1869. 97,734W. G. WardDec. 7, 1869. *97,821W. S. SmootDec. 14, 1869. 99,504W. G. WardFeb. 1, 1870. 99,898BW. G. WardDec. 7, 1869. *97,821W. S. SmootDec. 14, 1869. 99,504W. G. WardFeb. 1, 1870. 99,898B. B. HotchkissFeb. 15, 1870. 101,826J. J. CloesApr. 12, 1870. 103,488A. MullerMay 24, 1870. *103,504O. M. RobinsonMay 24, 1870. 104,100K. V. BarnekooJune 14, 1870. 108,836P. SchulerNov. 1, 1870. W. G. WardFeb. 1, 1870. 99,898B. B. HotchkissFeb. 15, 1870. 101,826J. J. CloesApr. 12, 1870. 103,488A. MullerMay 24, 1870. *103,504O. M. RobinsonMay 24, 1870. 104,100K. V. BarnekooJune 14, 1870. 108,836P. SchulerNov. 1, 1870. 108,869H. BerdanNov. 1, 1870. 109,218B. F. JoslynNov. 15, 1870. 109,277F. VetterlinNov. 15, 1870. 109,731J. HansonNov. 29, 1870. 110,353S. GerngrossDec. 20, 1870. 110,505J. SmilesDec. 27, 1870. 111,994W. G. WardFeb. 21, 1871. 112,523J. M. MasonMar. 7, 1871. 115,911S. F. Van ChoateJune 13, 1871. 117,398Valentine FogertyJuly 25, 1871. 119,939George MerrillOct. 17, 1871. 119,940George Mer
Knight's Mechanical Encyclopedia (ed. Knight), L. (search)
as a single bolt. The two-bolt has a latch and bolt. The three-bolt has the addition of an interior bolt, not operatable from the outside by any means. The knob-lock and ring-lock are so named from the forms of their handles. The right-hand and left-hand locks are for door to swing to the right or to the left. A dormant-lock is one having a bolt that will not close of itself. A spring-lock is one whose bolt is protracted by a spring. A rim-lock is named from its shape. Ward-locks are so called from having wards corresponding to clefts in the key, into which they must enter before the key can be turned. They are known as one-ward, two-ward, etc., according to number; the round wards being sometimes called wheels, as one-wheel, two-wheel. The shape of the ward sometimes gives a name, as L-ward, T-ward, Z-ward. If the ward be cast solid instead of being made of a bent strip, the lock is termed solid-ward. A lock without wards is a plain-lock. Straight-locks
Knight's Mechanical Encyclopedia (ed. Knight), M. (search)
fired without cleaning or repairing the gun. See Y Y′, Plate XVIII., fire-arm. Fig. 3020 shows a longitudinal section of the breech and working parts of the magazine, with a cartridge on the carrier ready to be fed to the firingchamber. The Ward-Burton arm is on the bolt system. A supply of cartridges is carried in a tube a beneath the barrel. These are fed backward by a spiral spring. The gun is opened by raising the handle b of the bolt and withdrawing it. As the bolt is fully drawn e chamber d, where it is fired by the action on a heavy needle or pin of a spiral spring contained in the bolt and compressed in the act of closing, during which, also, the carrier is forced down to receive a fresh cartridge from the magazine. Ward-Burton magazine-arm. Projecting from the face of the bolt is seen the point of a spring hook, serving to withdraw the empty shells from the chamber, and also the end of the ejector-pin, which strikes them from below when withdrawn, and throws
Knight's Mechanical Encyclopedia (ed. Knight), N. (search)
irs of rollers act upon alternate faces, the rolls a a, etc., being at right angles to their alternates. Wickersham's nail-machine produces a nail pointed like a chisel and tapered throughout its whole length. A sheet of metal from 20 to 25 inches wide presents its edge to a series of cutters arranged around the periphery of a cylinder which cut simultaneously a row of nails from the entire edge of the sheet. The nails are cut and headed at one operation. Nail-rolling machine. In Ward's machine (Fig. 3290), for making horseshoe or other wrought-iron nails, the rod p is automatically drawn by rollers through the furnace A, where it is brought to a forging heat, and is presented to the action of hammers while supported by an anvil. The hammers are operated by crank-arms and levers, which withdraw them from the iron, and at the proper moment permit springs to act upon them, forcing their acting faces, which are grooved to suit the shape of the nail, into contact with the r
Knight's Mechanical Encyclopedia (ed. Knight), P. (search)
coupling shown in three views. The Croton aqueduct pipe, which carries the water across the Harlem River, is 850 feet long, and is cast in 8-foot lengths, which are united by hollow ball-and-socket joints. r is formed by providing one end of the pipes with a concave flange, which receives the conjoining pipe-end, having annular ribs upon it. The space between the pipe-end and the flange is packed with lead. The joint is thus rendered secure without screw-bolts. The method adopted by Mr. Ward for laying the pipes was as follows: A large open boat was provided, in which was carried a supply of pipes and melted lead. At the stern a small supporting frame was placed. The pipes were jointed together in the boat, and, as fast as completed, pushed out over the stern into the water, thus forming a flexible string of pipes, which sank and rested upon the river-bottom as the boat progressed. The depth of water in the Harlem River where the pipe lies is 40 feet. The water-mains of L
Knight's Mechanical Encyclopedia (ed. Knight), S. (search)
58. 21,402AtwaterSept. 7, 1858. 21,537HubbardSept. 14, 1858. 40,622HeyerNov. 17, 1863. 1. （g.) Latch-Needle for enchaining Loop. 10,974SingerMay 30, 1854. 109,632LambNov. 29, 1870. 127,145BouscayMay 28, 1872. A. 2. Two or more Threads. (a.) Reciprocating Under-Thread Carrier. 6,439BatchelderMay 8, 1849. 7,931Grover et al.Feb. 11, 1851. 10,597JohnsonMar. 7, 1854. 10,622HodgkinsMar. 7, 1854. 10,842SingerMay 2, 1854. 11,284LeightonJuly 11, 1854. 12,074StedmanDec. 12, 1854. 12,146WardJan. 2, 1855. (Reissue.)355JohnsonFeb. 26, 1856. 16,237JenningsDec. 16, 1856. 17,049Nettleton et al.Apr. 14, 1857. 18,793FetterDec. 1, 1857. 19,732ClarkMar. 23, 1858. 20,471Shaw et al.June 1, 1858. (Reissue.)568Grover et al.June 15, 1858. (Reissue.)617BatchelderNov. 2, 1858. 22,220RaymondNov. 30, 1858. (Reissue.)706StedmanApr. 26, 1859. 24,022Gray et al.May 17, 1859. 24.629GroutJuly 5, 1859. 25,004FarrAug. 9, 1859. 25,471SilveySept. 13, 1859. 25,785BarrettOct. 11
Knight's Mechanical Encyclopedia (ed. Knight), W. (search)
gon-rope. Wapp. （Nautical.) A leader on the end of a pendant, acting as a fair-leader. Ward. （Locksmithing.) a. A curved ridge of metal inside a lock which opposes an obstacle to the ped key-wards, somewhat in violation of the meaning of the term: ward, a guard. Lock-wards. Ward′ing-file. A flat file having a constant thickness, and only cut upon the edges. Used in filinbin, on board large ships-of-war, for the accommodation of officers ranking as lieutenants. Ward's case. An air-tight inclosure with glass sides and top for preserving or transporting plants,hey consisted of varieties of trees, bushes, and plants, fruit and ornamental, and were packed in Ward's cases for transportation to the English settlements in the Himalaya Mountains. Warm′er. Aay 20, 1871. 122,523.Rhinelander et al., Jan. 9, 1872. 126,315.Mayall, April 30, 1872. 136,473.Ward, Mar. 4, 1873. 152,557.Haskall et al., June 30, 1874. 153,387.Smith, July 21, 1874. 153,388.S