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s' bridge, Bascule bridge, Bateau bridge. See under Ass, Bascule, Bateau. -- Bridge of a steamer (Naut.), a narrow platform across the deck, above the rail, for the convenience of the officer in charge of the ship; in paddlewheel vessels it connects the paddle boxes. -- Bridge of the nose, the upper, bony part of the…

hub mackerel. -- Bull pump (Mining), a direct single-acting pumping engine, in which the steam cylinder is placed above the pump. -- Bull snake (Zoöl.), the pine snake of the United States. -- Bull stag, a castrated bull. See Stag. -- Bull wheel, a wheel, or drum, on which a rope is wound for lifting heavy articles…

A pipe or duct used to convey hot air or steam. Subterranean caliducts have been introduced. Evelyn.

To make an indentation in the edge of a metal plate, as along a seam in a steam boiler or an iron ship, to force the edge of the upper plate hard against the lower and so fill the crevice.

A musical instrument consisting of series of steam whistles, toned to the notes of the scale, and played by keys arranged like those of an organ. It is sometimes attached to steamboat boilers.

An apparatus for measuring the proportion of unevaporated water contained in steam.

ble, filled with water, which, if placed in the flame of a candle, bursts by expansion of steam.

power by traction upon a rope or cable, passing around the drum. It is operated either by steam power or by a number of men walking around the capstan, each pushing on the end of a lever fixed in its socket. [Sometimes spelt Capstern, but improperly.] Capstan bar, one of the long bars or levers by which the capstan is…

ng the cars in a railway train. [U. S.] -- Dummy car (Railroad), a car containing its own steam power or locomotive. -- Freight car (Railrood), a car for the transportation of merchandise or other goods. [U. S.] -- Hand car (Railroad), a small car propelled by hand, used by railroad laborers, etc. [U. S.] -- Horse car…

Any vessel with twin hulls, whether propelled by sails or by steam; esp., one of a class of double-hulled pleasure boats remarkable for speed.

A tight receptacle or box, usually for holding gas, steam, liguids, etc.; as, the steam chest of an engine; the wind chest of an organ. Bomb chest, See under Bomb. -- Chest of drawers, a case or movable frame containing drawers.

The backing or steaming of clams on heated stones, between layers of seaweed; hence, a picnic party, gathered on such an occasion.

ing of wood, etc., to prevent radiation of heat, as from the boiler, cylinder. etc., of a steam engine.

To obtain a clearance; as, the steamer cleared for Liverpool to- day. To clear out, to go or run away; to depart. [Colloq.]

another, as the distance between the piston and cylinder head at the end of a stroke in a steam engine, or the least distance between the point of a cogwell tooth and the bottom of a space between teeth of a wheel with which it engages. Clearance space (Steam engine), the space inclosed in one end of the cylinder, betw…

A covering of non-conducting material on the outside of a boiler, or steam chamber, to prevent radiation of heat. Knight.

To supply with coal; as, to coal a steamer.

A series of connected pipes in rows or layers, as in a steam heating apparatus. Induction coil. (Elec.) See under Induction. -- Ruhmkorff's coil (Elec.), an induction coil, sometimes so called from Ruhmkorff (, a prominent manufacturer of the apparatus.

s of (a thing) fall in together, or be crushed in together; as, a flue in the boiler of a steam engine sometimes collapses. A balloon collapses when the gas escapes from it. Maunder.

sels of an enemy. Not being intended to fight, they may be improvised from fast passenger steamers.