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forth at frequent intervals jets of water, mud, etc., driven up by the expansive power of steam.

ally held or adjusted by means of a wedge, key, or screw. Gib and key, or Gib and cotter (Steam Engine), the fixed wedge or gib, and the driving wedge,key, or cotter, used for tightening the strap which holds the brasses at the end of a connecting rod.

o tell (him) that he lies. -- To give line. See under Line. -- To give off, to emit, as steam, vapor, odor, etc. -- To give one's self away, to make an inconsiderate surrender of one's cause, an unintentional disclosure of one's purposes, or the like. [Colloq.] -- To give out. (a) To utter publicly; to report; to an…

A contrivance applied to steam engines, water wheels, and other machinery, to maintain nearly uniform speed when the resistances and motive force are variable.

en out and replaced with the key; -- called also the hopper. Grove. Grasshopper engine, a steam engine having a working beam with its fulcrum at one end, the steam cylinder at the other end, and the connecting rod at an intermediate point. -- Grasshopper lobster (Zoöl.) a young lobster. [Local, U. S.] -- Grasshopper w…

e or bed, or kind of basket, of iron bars, for holding fuel while burning. Grate surface (Steam, Boiler) the area of the surface of the grate upon which the fuel lies in the furnace.

A football field. Gridiron pendulum. See under Pendulum. -- Gridiron valve (Steam Engine), a slide valve with several parallel perforations corresponding to openings in the seat on which the valve moves.

An extension of the deck of a vessel beyond the hull; esp., in side-wheel steam vessels, the framework of strong timbers, which curves out on each side beyond the paddle wheel, and protects it and the shaft against collision.

formations, marches, and alignments in tactics. Farrow. Guide bar (Mach.), the part of a steam engine on which the crosshead slides, and by which the motion of the piston rod is kept parallel to the cylinder, being a substitute for the parallel motion; -- called also guide, and slide bar. -- Guide block (Steam Engine…

sel sails or where she is registered; hence, to sail; to come; -- used with from; as, the steamer hails from New York.

hich covers and closes the top or the end of a hollow vessel; as, the head of a cask or a steam boiler.

d fluid, is made to perform work by giving motion to mechanism, as a hot-air engine, or a steam engine. -- Heat producers. (Physiol.) See under Food. -- Heat rays, a term formerly applied to the rays near the red end of the spectrum, whether within or beyond the visible spectrum. -- Heat weight (Mech.), the product…

at; exciting action; stimulating; as, heating medicines or applications. Heating surface (Steam Boilers), the aggregate surface exposed to fire or to the heated products of combustion, esp. of all the plates or sheets that are exposed to water on their opposite surfaces; -- called also fire surface.…

r sovereignty, usually distant three miles or more from the coast line. Wharton. -- High steam, steam having a high pressure. -- High steward, the chief steward. -- High tea, tea with meats and extra relishes. -- High tide, the greatest flow of the tide; high water. -- High time. (a) Quite time; full time for the…

Having or involving a pressure greatly exceeding that of the atmosphere; -- said of steam, air, water, etc., and of steam, air, or hydraulic engines, water wheels, etc.

The noise made by steam escaping through a narrow orifice, or by water falling on a hot stove.

increase the longitudinal strength and stiffness. Used chiefly in American river and lake steamers. Called also hogging frame, and hogback.

t my flying sails. Pope. Hoisting him into his father's throne. South. Hoisting engine, a steam engine for operating a hoist.

ooks at the end by which it can be suspended, as from the top of a wall. -- Hook motion (Steam Engin.), a valve gear which is reversed by V hooks. -- Hook squid, any squid which has the arms furnished with hooks, instead of suckers, as in the genera Enoploteuthis and Onychteuthis. -- Hook wrench, a wrench or spanner…

g the power required to drive machinery, and in estimating the capabilities of animals or steam engines and other prime movers for doing work. It is the power required for the performance of work at the rate of 33,000 English units of work per minute; hence, it is the power that must be exerted in lifting 33,000 pounds…