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Knight's Mechanical Encyclopedia (ed. Knight) 22 0 Browse Search
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ich his bedroom shall not be made a passage-way for the garreteers. To the disgust of the said chamberlain, oa rainy nights, the builder makes an outside staircase like a ladder, and his lordship in attendance may go up, and in at the window. Such people had but little use for a candle; they rose early, ate heartily, and slept, and no doubt snored heavily. Scholars are scattered all along the pathway of history; but as for kings, their councilors, and the common people, they were like Scott's hero, William of Deloraine, the stark, moss-trooping Scot, who, whatever other faults he might have had, was guiltless of violating a lady's correspondence. And safer by none may thy errand be done, Letter or line know I never a one. If, as Byron says, Marmion is exactly what William of Deloraine would have been had he been able to read and write, the plentiful lack of learning was in his favor, as one had better remain a mere cattle-thief than become worse. Lamps were known in
of the glucose preventing agglomeration of the foreign matters, and forming scum instead of crust. Fatty bodies, tar, and graphite tend to prevent adhesion. The nature of the water to be treated determines the substance which shall be used. Scott's English patent, 1828, describes a mode of catching the deposit which forms the incrustation by placing pans or trays in the boiler; these intercept the falling deposit. Taylor's English patent, 1830, has a sedimenttrough the length of the bo 1852, patented a compound spring composed of a block of rubber inclosed in a two-part casing, the upper part surrounding the lower, and rising or falling according to the amount of compression of the rubber placed on each end of a steel spring. Scott, 1852, blocks of rubber placed over the center of a steel spring. Bridges, 1857, employs wooden instead of iron surrounding rings to confine the rubber blocks, and dispenses with the central rod. Fuller, above referred to, employs for suspension
s such as would be consecutively attained in the progress of an action; for example, leaping, walking, swimming, etc. The effect is to produce the appearance of actual motion. The disk is placed on a handle and rotated by the finger on a nut. It is held in front of the observer, the face of the toy toward a looking-glass, and the figures are viewed through the slits. Phi′al. A small bottle used chiefly for medicine. Pho-nau′to-graph. Or phonograph. An instrument, invented by Leon Scott, which automatically records phonetic sounds by diagrams in a manner analogous to that in which the indicatordiagram of a steam-engine records the pressure of the steam. It proceeds upon the premises, that articulate sounds are accompanied by the expulsion of air from the mouth; that the impulses vary in pressure and duration and in the suddenness with which they commence and terminate; that different syllables vary in volume, force, continuity, and abruptness. Professor Barlow uses
lamp. Rail-clamp. Rail-clamp. (Railroad-engineering.) A device designed for firmly holding rails on lines of track so as to prevent any shaking motion. Scott's clamp truss-joint (Fig. 4116) is in two parts, the upper curved branches of which are caused to bind the rail by means of a screw-threaded pin passing through thrst machine used in this country, and patented by Bailey (Fig. 4200) in 1822 was of this character. Two machines by Smith, of Deanstone, in England, in 1811, and Scott, of Ormiston, in 1815, were made on this principle, were used practically, and had considerable local celebrity. Smith's machine was illustrated in Hall's Dictioninder steam-engine. The stationary disk-valve I, with ports d d′ and grooves f f, and pipes or channels c c′, control the admission and exhaust of steam. In Scott and Morton's steam-engine (Fig. 4298), the cylinder a is mounted on trunnions c d, and the piston-rod b is connected to a wrist-pin on the flywheel f. The trunnion<
g crystals of salt and solid matter passing into the comparatively still water of the cone, settle to the bottom, or apex of the cone, and are thence blown off. Scott's (English) patent, 1827, consists of a vessel or series of vessels placed longitudinally of the boiler, and acting as a false bottom to receive the deposit. The to a certain amount, the valve d ceases to operate. z is a pipe conveying air from drum t to the chest q; i, connectingrod, and k, crank to driving-axle c. The Scott-Moncreiff system is used in Scotland. A United States patent has been granted for a method of using the elastic force of rubber as a motor for street-cars and fkeys of the holy sepulcher, a consecrated standard of Jerusalem, a wheelclock that struck the hours, an organ, an ape, and an elephant. Ancient swords, etc. Scott, in the Tales of the Crusaders, describes a meeting between Richard Coeur de Lion and Saladin. Saladin asks Richard to show him the strength for which he is famou
, has been considered under music, pitch, pipe, etc.; and the mode of counting the vibrations under siren. The vibroscope is another instrument invented by Duhamel for the same purpose. See also Metronome; Tonometer. Articulate sounds are accompanied by the expulsion of air from the mouth, which impulses vary in quantity, pressure, and in the degree of suddenness with which they commence and terminate. An instrument which will record these impulses has been termed by its inventor, Leon Scott, a phonautograph, or phonograph, and by Mr. Barlow a logograph; the pressure of the air in speaking is directed against a membrane which vibrates and carries with it a delicate marker, which traces a line on a traveling ribbon. The excursions of the tracer are great or small from the base line, which represents the quiet membrane, according to the force of the impulse; and are prolonged according to the duration of the pressure, different articulate sounds varying greatly in their length