GLOSSARY. Eolopile.. Anneal. ... Anvil..... Arbor.... Arm...... ..... A hollow metallic ball, with a small orifice, to shew the power of steam. To expose iron or other metals to the action of fire, in order to reduce them to a greater degree of tenacity. A block or mass of iron, with a hardened steel surface, on which smiths and other artificers hammer and fashion their work. The principal spindle or axis which communicates motion to the other parts of a machine. The length of the sail of a windmill measured from the axis. Arms (Axle)........ The two ends of an axle-tree: projecting Ash-hole... Attraction of Cohesion. Augur. supports in machinery. A receptacle for the ashes which fall from the hearth of a furnace. The attraction which holds the particles of matter to each other. of Gravitation. The force which causes all ponderous bodies to fall towards the earth's centre. Axis. The wimble or tool used in the boring of woods. A machine which, by an internal arrange ment, seems to move of itself. The spindle or centre of any rotatory motion. of oscillation.... The shaft upon which any body vibrates. in peritrochio... One of the six mechanical powers; usually called the wheel and axle. Backboards.. of rotation...... The shaft round which any body revolves. Boards attached to the rims of the waterwheel, to prevent the water running off the floats into the interior of the wheel. The hobbling movement of a wheel not fixed firm on its axis. Backlash. Back-water. Balance ... The water which impedes the motion of a water-wheel during floods, or from other causes. An instrument which, by the application of the lever, exhibits the weights of bodies. Batten... Batter. Bayonet.. Beats Beetle.... Bevel-geer.. Bitts. Blunging. .... Bobbins..... Bolter..... Bracket.. Brazing Breast.... The movable lath or bar of a loom which serves to strike in or close, more or less, the threads of a woof: a long narrow slip of wood in carpentry. A machine used early in the process of the A piece of wood or metal with tw legs to : vide The strokes made by the pallets or fangs of a spindle in clock or watch movements. An implement for flattening the texture of linen or woollen cloth: a heavy mallet. Wheels in which the teeth are set at angles of various degrees from the radius. Small tools used in boring. A bar of iron to be passed through the rollers of an iron-mill to be elongated into a bar, rod, or hoop. The act of mixing or kneading clay for the potter's use. Little circular pieces of wood on which the thread of cotton, silk, &c. is wound. A machine for sifting meal. A cloth through which the sifted meal runs. A curved instrument of iron or wood for moving small boring tools called bitts. A support fixed to a wall. A machine for separating the cuticle or outer skin from the flax plant. The soldering or joining two pieces of metal The first part of a revolver carding-engine. rounds the shuttle side of a breast-wheel. Breast-plate......... A small piece of steel with holes to receive Breast-wheel... the ends of a drill. A water-wheel on which water is admitted at or nearly level with the axis. Buff-stick... .... A piece of wood covered with buff leather, ... To alter the wards of a lock in such manner that they may be passable by more than one key. A hole in the nave of a wheel. Other things being equal. The diameter of a hole. To force oakum, tow, or other material in Clutch Cockling. Cocoon. Cog. the joints of vessels, to make them steam, air, or water-tight. An eccentric. A vertical post resting on a pivot and turned by powerful arms or levers to raise heavy weights by crane work; a windlass. Charcoal. Piece of leather containing numerous iron. wire teeth, forming a species of comb vide Cotton Manufacture. The process of converting the surface of iron into steel. The act of forming metal or other matter into any required shape, by pouring it into moulds while in a fluid state. Various contrivances in mechanics, to act on A composition for joining hard bodies. Flying to the centre. A kind of forge in the iron manufacture, where the metal is exposed to a welding heat. An instrument to measure heat. A groove to receive the tenon in carpentry. A term generally applied to those pieces of timber in machinery, which are double, and correspond with each other, Perpendicular let fall from any radius of a circle. That part of a lath which revolves with the arbor to this is affixed the article to be turned. The measure round any circle. A bell so contrived that it shall ring when tion. Vide Bayonet. A small ball of silk spun by a silk-worm. This word, correctly speaking, implies teeth formed of a different material to the body of the wheel; but is generally used to express all kinds of toothed wheels. Having the same centre. Conspiring forces..... Various forces combined into one. Concentric..... Constant forces. ...... Force without interruption. Contractile forces..... Forces which decrease. Countersink. ... Couplings......... The internal mould which forms a hollow in foundry as the hollow of a tub or pipe. To take off the edge round a hole to let in a screw-head, that it may be even with the surface. To connect two shafts or spindles longitudinally. Coupling-box........ A strong piece of hollow iron to connect shafting and throw machinery in and out of geer. Crank.... A bent part of a shaft, by means of which a rectilinear motion is gained. A strong bar of iron used as a temporary lever. A wheel which has teeth at right angles to its radii. Effective-head... Effluent.... Efflux... Epicycloid... Equilibrium.... Escapement The real head, or that which can be applied Flowing from; running out. The curve described in the air by a point on .. The part of a clock or watch movement which receives the force of the spring or weight, to give motion to the pendulum or Dalance. Face of the tooth..... The curved part of a tooth which imparts Faggot Fan..... Female-screw.. First-mover Flanch ... impulse to another wheel. Pieces of iron bound together for re-manufacture. Small vanes or sails to receive the impulse of the wind, and, by a connexion with machinery, to keep the large sails of a smock wind-mill always in the direction of the wind: an instrument to winnow corn; also to decrease speed by its action on the air. The spiral threaded cavity in which a screw operates. A tool used by siniths for the abrasion of An edge or projection for the better connexion Flank of the tooth..... The straight part of a tooth which receives Float. Floodgate.. Flux. Fly-wheel... Forge. impulse from another wheel. The board which receives the impulse of the water either in breast or undershotwheels. A strong framing of timber to pen back or let out water. Ingredients put into a smelting furnace to A heavy wheel to maintain equable motion. To form by the hammer. Inequality of surface; act of rubbing together. |