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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.

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

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 (#),…

OF or pertaining to rotary motion; having power to draw out or turn round. "By art trochilic." Camden.

The science of rotary motion, or of wheel work. Wilkins.

vance used for joining two shafts or parts of a machine endwise, so that the one may give rotary motion to the other when forming an angle with it, or may move freely in all directions with respect to the other, as by means of a cross connecting the forked ends of the two shafts (Fig. 1). Since this joint can not act w…

Turning round; whirling; rotary; revolving; as, vertiginous motion. Some vertiginous whirl of fortune. De Quincey.

An arrow, having a rotary motion, formerly used with the crossbow. Cf. Vireton. Gower.

A supposed collection of particles of very subtile matter, endowed with a rapid rotary motion around an axis which was also the axis of a sun or a planet. Descartes attempted to account for the formation of the universe, and the movements of the bodies composing it, by a theory of vortices.