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A machine for measuring at any moment velocity of rotation, as of a wheel of a steam engine. Knight.

opies of writing or drawing. The writing or drawing is done with a style carrying a small wheel at the end which makes minute punctures in the paper, thus converting it into a stencil. Copies are transferred with an inked roller.

A water wheel having a vertical axis, and an inner and outer tapering shell, between which are vanes or floats attached usually to both shells, but sometimes only to one.

The float of a paddle wheel.

A four-wheeled carriage, with curtained sides.

Capable of being dismounted; -- said of a form of rim, for an automobile wheel, which can be removed with its tire from the wheel.

A light, open, two-wheeled carriage for one horse; a kind of gig. ("The term and vehicle common about 1825." Latham.)

A tooth, as of a card, a gear wheel, etc. Knight.

A pair of toothed wheels which work together. [R.]

A bar, connected with a switch, longer than the distance between any two consecutive wheels of a train (45 to 50 feet), laid inside a rail and operated by the wheels so that the switch cannot be thrown until all the train is past the switch.

t; a catch, pawl, or dog; especially, in clockwork, the catch which locks and unlocks the wheelwork in striking.

pus olens). [Eng.] (b) A large, predacious, hemipterous insect (Prionotus cristatus); the wheel bug. [U.S.] -- Devil's darning-needle. (Zoöl.) See under Darn, v. t. -- Devil's fingers, Devil's hand (Zoöl.), the common British starfish (Asterias rubens); -- also applied to a sponge with stout branches. [Prov. Eng., Iri…

difference of their effect upon the needle. -- Differential gearing, a train of toothed wheels, usually an epicyclic train, so arranged as to constitute a differential motion. -- Differential motion, a mechanism in which a simple differential combination produces such a change of motion or force as would, with ordin…

A four-wheeled public stagecoach, used in France.

tate of being concave, or like a dish, or the degree of such concavity; as, the dish of a wheel.

ove from the carriage, or from that on which a thing is mounted; to break the carriage or wheels of, and render useless; to deprive of equipments or mountings; -- said esp. of artillery.

onomical instruments) or bars (as for scales); also, for spacing off and cutting teeth in wheels. -- Dividing sinker. (Knitting Mach.). See under Sinker.

A light one-horse carriage, commonly two-wheeled, patterned after a cart. The original dogcarts used in England by sportsmen had a box at the back for carrying dogs.

Also, a skid or shoe, for retarding the motion of a carriage wheel.

Capacity of being drawn; force necessary to draw; traction. The Hertfordshire wheel plow . . . is of the easiest draught. Mortimer.