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A small earthen boiler.

The distance between the centers of holes, as of rivet holes in boiler plates. Concert pitch (Mus.), the standard of pitch used by orchestras, as in concerts, etc. -- Diametral pitch (Gearing), the distance which bears the same relation to the pitch proper, or circular pitch, that the diameter of a circle bears to its…

A boiler in which clay is beaten by a wheel to a creamy consistence. Knight.

ecome mixed with, and be carried along with, the steam that is formed; -- said of a steam boiler.

The carrying over of water, with the steam, from the boiler, as into the cylinder. Priming of the tide. See Lag of the tide, under 2d Lag. -- Priming tube, a small pipe, filled with a combustible composition for firing cannon. -- Priming valve (Steam Eng.), a spring safety valve applied to the cylinder of a steam eng…

To clear of sediment, as a boiler, or of air, as a steam pipe, by driving off or permitting escape.

A capacious vessel for receiving steam from a distant boiler, and supplying it dry to an engine.

shed pressure of steam, air, gas, etc., in a pipe, or other receiver, which is fed from a boiler or pipe in which the pressure is higher than is desired in the receiver.

t, and the sheriff is to return the writ and his proceedings. -- Return flue, in a steam boiler, a flue which conducts flame or gases of combustion in a direction contrary to their previous movement in another flue. -- Return pipe (Steam Heating), a pipe by which water of condensation from a heater or radiator is con…

A bursting open, as of a steam boiler, in a less sudden manner than by explosion. See Explosion. Modulus of rupture. (Engin.) See under Modulus.

d opens automatically to permit the escape of steam, or confined gas, water, etc., from a boiler, or other vessel, when the pressure becomes too great for safety; also, sometimes, a similar valve opening inward to admit air to a vessel in which the pressure is less than that of the atmosphere, to prevent collapse.…

An incrustation deposit on the inside of a vessel in which water is heated, as a steam boiler.

a fish; as, a scaling knife; adapted for removing scale, as from the interior of a steam boiler; as, a scaling hammer, bar, etc.

Consisting of sections, or capable of being divided into sections; as, a sectional steam boiler.

A pot for boiling things; a boiler. Like burnished gold the little seether shone. Dryden.

bearings for the crank shaft attached to the frame of the engine. (b) A steam engine and boiler combined and fastened together; a portable steam engine.

end into splinters; as, an explosion shatters a rock or a bomb; too much steam shatters a boiler; an oak is shattered by lightning. A monarchy was shattered to pieces, and divided amongst revolted subjects. Locke.

ellfish, or testaceous mollusks. Fuller. -- Shell mound. See under Mound. -- Shell of a boiler, the exterior of a steam boiler, forming a case to contain the water and steam, often inclosing also flues and the furnace; the barrel of a cylindrical, or locomotive, boiler. -- Shell road, a road of which the surface or…

See Slime, 4. Sludge hole, the hand-hole, or manhole, in a steam boiler, by means of which sediment can be removed.

s) on each side of a median line alternately, as the spokes of a wheel or the rivets of a boiler seam.