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e cutting in working into a face of coal. Shearing machine. (a) A machine with blades, or rotary disks, for dividing plates or bars of metal. (b) A machine for shearing cloth.

e or slide rest is secured; as, the shears of a lathe or planer. See Illust. under Lathe. Rotary shears. See under Rotary.

the muzzle having circular plates that permit the passage of the projectile but impart a rotary motion to, and thus retard, the exploding gases.

extracted from squill as a colorless amorphous substance; -- so called because it is levorotatory.

per second which produce a note of a given pitch. The sounds are produced by a perforated rotating disk or disks. A form with two disks operated by steam or highly compressed air is used sounding an alarm to vessels in fog. [Written also sirene, and syren.]

The red-bellied terrapin (Pseudemys rugosa). [Local, U. S. ] Slider pump, a form of rotary pump.

value of the time; also, to a passage the tones of which are to be somewhat prolonged or protacted.

A shrubby species of wormwood (Artemisia Abrotanum) having aromatic foliage. It is sometimes used in making beer.

Velocity of rotation about some specified axis. go for a spin take a spin, take a trip in a wheeled vehicle, usu. an automobile.

nd by the side of the way leading to sacred edifices or shrines, and which are visited in rotation, stated services being performed at each; -- called also Station of the cross. Fairholt. Station bill. (Naut.) Same as Quarter bill, under Quarter. -- Station house. (a) The house serving for the headquarters of the poli…

he person who succeeds to the previous owner. [Eng.] -- Succession of crops. (Agric.) See Rotation of crops, under Rotation.

for converting reciprocating motion, as that of the working beam of a steam engine, into rotatory motion. It consists of a toothed wheel (called the sun wheel), firmly secured to the shaft it is desired to drive, and another wheel (called the planet wheel) secured to the end of a connecting rod. By the motion of the c…

An East Indian leguminous plant (Crotalaria juncea) and its fiber, which is also called sunn hemp. [Written also sun.]

ece, as a ring or hook, attached to another piece by a pin, in such a manner as to permit rotation about the pin as an axis.

or canal, consisting of a wheel with inclined vanes, which is turned by the current. The rotations of the wheel are recorded by clockwork.

o Anschütz of Berlin, in which the chronophotographs were mounted upon the periphery of a rotating wheel.

maps, etc. In the transmitter the motions of the pencil are communicated by levers to two rotary shafts, by which variations in current are produced in two separate circuits. In the receiver these variations are utilized by electromagnetic devices and levers to move a pen as the pencil moves. --Tel`au*tog"ra*phist (#),…

a gyrans), whose lateral leaflets jerk up and down like the arms of a semaphore, and also rotate on their axes.

To trace out; to track; also, to draw out; to protact. [Obs.] Spenser. B. Jonson.

moving body have at any instant the same velocity and direction of motion; -- opposed to rotation.