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Knight's Mechanical Encyclopedia (ed. Knight), A. (search)
During the reign of the same king, Egypt was visited by Pythagoras and Anacreon, the friends of Polycrates of Samos; Pythagoras, among other things, learned to abominate beans, the peculiar aversion of the Egyptian priests. Egypt was also visited about this time by Solon (Herodotus, I. 30), who came as a student, and afterwards introduced some of the Egyptian laws into his Athenian code. Al-tincar. （Metallurgy.) A factitious kind of salt used in separating metals. Al′ti-scope. Clark, March 13, 1866. This invention consists of an arrangement of lenses and mirrors in a vertical telescopic tube, by means of which a person is able to overlook objects intervening between himself and the object he desires to see. When the sections of the tube are extended, the view is received upon an upper mirror placed at an angle of 45° and reflected thence down the tube to a lower mirror, where it is seen by the observer. The image is magnified by lenses intervening between the mirrors.
Knight's Mechanical Encyclopedia (ed. Knight), B. (search)
t of the judge and the high-priest. Aaron became, in a certain sense, a judge in the matters of conscience or religious polity which were submitted to him. See Adam Clark's commentary on Exodus XXVIII. 30. Ovid, in his Metamorphoses, lib. XV. verse 41, as rendered by Dryden, says:— A custom was of old, and still remains, the holders all the accommodations and offices of friendship when visiting at the house of the holder of the other portion. Plautus refers to the custom. See Adam Clark in his comments on this passage, and the authors referred to by him. Secret voting was practiced by the ancient Greeks and modern Venetians, from the latter invention of the water-bed, which was contrived by him for the purpose of supporting the body without sensible inequality of pressure, thus preventing bed-sores. Clark, in 1813, and MacIntosh, in 1823, improved the matter by contributing a better material. The india-rubber cloth was long known simply as MacINTOSHntosh. Air-
Knight's Mechanical Encyclopedia (ed. Knight), L. (search)
l every six months. The boiler-tubes last five years, and the crank-axles six years; tires, boilers, and fire-boxes, seven to ten years. The side-frames, axles, and other parts, 30 years. During this period, the total cost of repairs is estimated at $24,450 in American money, the original cost of the engine being $8,490. It therefore requires for repairs in eleven years a sum equal to its original cost. In this time it is estimated that an engine in average use has run 220,000 miles. See Clark's Recent practice on the locomotive ; Tredgold on Locomotive-engines, London, 1851; Heusinger and Clauss's Locomotive Maschine, Wiesbaden, 1858; Weissenborn's American Engineering, New York, 1861; The student's guide to the locomotive, London, 1849. The following figures, from the Railway Times, show the result of locomotive performance on the Cleveland, Columbus, Cincinnati, and Indianapolis Railway, 397 miles, for the month of March, 1872, and may be interesting in this connection: —
Knight's Mechanical Encyclopedia (ed. Knight), O. (search)
. O′to-phone. An ear-trumpet. Otoscopes. O′to-scope. （Surgical.) a. An instrument for viewing the interior of the ear. Otoscopium. To this class belong the different patterns of earspeculums (C D), funnel-shaped, of high polish inside, through which light is reflected by means of a concave mirror; and the bivalve speculum A, which admits of expansion of the meatus auditorius, etc. Simrock's otoscope (B) is a funnel-shaped bivalvular instrument with magnifyingglass. Clark's reflecting otoscope (lower figure) consists of an angular tube, one extremity of which is expanded to receive the rays of light from the window, a gas-jet, or lamp, while the other is prepared for the adaptation of specula of various sizes. The light enters at the flaring extremity, and is reflected from the surface of a polished steel mirror, which is placed transversely across the angle b, and is thrown upon the tympanum through the speculum c. A small tube proceeds from the eyepiece <
Knight's Mechanical Encyclopedia (ed. Knight), P. (search)
constructed his foundations by sinking cast-iron cylinders in the manner stated, and filling them with a concrete of sand and pozzuolana, which made solid stone columns. In the foundations of the Town Pier, Gravesend, England, erected 1834, Mr. Clark used a system of cast-iron piles. Under the site of each column were driven three cast-iron piles, on which an adjusting plate was firmly keyed, forming a broad base for the support of the column, which was adjusted to its correct position, an the expansible ring. r is Cabell's piston, 1866. It has flexible outside disks, whose peripheries move in contact with the surface of the cylinder. s is Cameron's, 1866. It has a coil of wire in a spiral groove around the piston. t is Clark's, 1865. It has a grooved periphery for wire or jute. Gale's patent, July 21, 1857, has a piston with circumferential grooves occupied by steam and water of condensation, which act as a packing. The same feature is found also in the stuffing
Knight's Mechanical Encyclopedia (ed. Knight), R. (search)
made within the past 20 or 25 years, previous to which time the old systems of turning the drill, and boring or pounding by hand, held undisputed sway. In 1849, Clark and Motley, in England, invented a machinedrill, and in 1851, Fowle devised a similar machine, having the drill directly attached to the piston cross-head and prov50,822.Hartman7, 11, 1865 79,334.Ferry30, 6, 1868 72,729.Fink31, 12, 1867 72,831.Ferry31, 12, 1867 66,312.Donehoo2, 7, 1867 59,965.Chapman27, 11, 1866 59,819.Clark20, 11, 1866 73,875.Clark28, 1, 1868 61,522.Donehoo29, 1, 1867 52,139.Christ and Stehman23, 1, 1866 Running-Rein. 67,837.Andrews (over-head)20, 8, 1867 6Clark28, 1, 1868 61,522.Donehoo29, 1, 1867 52,139.Christ and Stehman23, 1, 1866 Running-Rein. 67,837.Andrews (over-head)20, 8, 1867 69,893.Beans15, 10, 1867 66,941.Brown23, 7, 1867 80,897.Barnes11, 8, 1868 Running-Reins to pull on the Bit to check Horses, mostly in connection with Gag and Check Hook. 74,623.Smokey18, 2, 1868 Seitz26, 9, 1848 56,619.Sayre24, 7, 1866 2,780.Smith (driving-rein runs to martingale; does not involve the check)17, 9, 1842
Knight's Mechanical Encyclopedia (ed. Knight), S. (search)
an. 5, 1858. 19,072ClarkJan. 12, 1858. 19,129ClarkJan. 19, 1858. 19,135Rixford et al.Jan. 19, 1858. 19,285AngellFeb. 9, 1858. 19,409ClarkFeb. 23, 1858. 19,660HendrickMar. 16, 1858. 19,532Gray13, 1858. 19,979BosworthApr. 20, 1858. 20,481ClarkJune 8, 1858. 20,753West et al.June 29, 1858. r. 14, 1857. 18,793FetterDec. 1, 1857. 19,732ClarkMar. 23, 1858. 20,471Shaw et al.June 1, 1858. . 11, 1859. 25,946BudlongNov. 1, 1859. 26,336ClarkDec. 6, 1859. 26,346DickensonDec. 6, 1859. 26. 3, 1874. 150,775MurphyMay 12, 1874. 152,075ClarkJune 16, 1874. 153,438JonesJuly 28, 1874. 156 7, 1871. 124,106WrightFeb. 27, 1872. 127,571ClarkJune 4, 1872. 128,113ChumockJune 18, 1872. 122 66,966.Jenkins1867135,293.Smith1873 69,541.Clark et al1867136,903.Harrison1873 70,861.Kingsleyseous, liquid, and solid substances. See also Clark's Constants of nature, Smithsonian Institution115,110. Scow, May 23, 1871. No. 138,378. Clark, April 29, 1873. Splint-machine. Fig. 54[9 more...]
Knight's Mechanical Encyclopedia (ed. Knight), T. (search)
to the House of Commons, and the two houses were reduced to ashes. See also Clark's Commentary on Revelations II. 17. See also ballot; abacus; arithmometer. lvanized homogeneous iron wires bound with manilla hemp steeped in tar. e, Clark's compound, consisting of mineral pitch and silica. f, galvanized iron wire.iles or bricks, usually cubical, laid in patterns, as a mosaic pavement. See Adam Clark on Revelation II. 17. See also abacus. Test. 1. (Metallurgy.) a. A tube, closed at one end, and sometimes having a swelled bulb. a (Fig. 6741), Clark's retort, and b, receiver, for the distillation and condensation of small quantshape and structure. The board consisted of Messrs. Fairbairn, Hodgkinson, and Clark. The points determined were, — The tube must resist compression on its upa covering for cords. Tubular floating-dock. Tubular laryngeal forceps. Clark and Standfield's tubular dock (Fig. 6753) is composed of a number of circular
Knight's Mechanical Encyclopedia (ed. Knight), W. (search)
14.Calkins, 1868. 84,733Cowling, 1868. 86,808.Bridge. 1869. 87,226.Voorhees et al., 1869. 88,392.Karmrodt et al., 1869. No.Name and Year. 91,848.Hunt, 1869. 94,204.Heinnemann, 1869. 94,626.McNair, 1869. 94,704.Blanchard, 1869. 94,869.Clark, 1869. 95,473.Heinnemann, 1869. 95,474.Heinnemann, 1869. 95,583.Hayford et al., 1869. 99,186.Haupt, 1870. 100,380.Day, 1870. 100,608.De Smedt, 1870. 101,012.Hayford, 1870. 101,691.Williams, 1870. 102,725.Stevens, 1870. 103,105.Van Camp a cradle g, and delivered to a series of rollers, which convey it to the squeezers i i. The cradle g has a four-motioned action, down, forward, upward, and return; the teeth on its lower side catching the wool and drawing it up the incline. In Clark's machine, 1865, the wool is conveyed into and out of the trough by endless aprons, and passed through the trough between two other endless aprons, under one of which is a bed of rollers, and over the upper of which a series of vertical beaters o