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A reaping machine.

A machine on which yarn is wound and measured into lays and hanks, -- for cotton or linen it is fifty-four inches in circuit; for worsted, thirty inches. McElrath.

The chamber, or tank, in which ice is formed, in an ice machine.

A machine for registering automatically the number of persons passing through a gateway, fares taken, etc.; a telltale.

ndition; as, to regulate the temperature of a room, the pressure of steam, the speed of a machine, etc. To regulate a watch or clock, to adjust its rate of running so that it will keep approximately standard time.

A machine or implement for applying fresh primers to spent cartridge shells, so that the shells be used again.

ody at an angle of 45°, and is held as in the illustration. -- To reverse an engine or a machine, to cause it to perform its revolutions or action in the opposite direction.

al variation in speed and of reverse. It is especially suitable for use with motor driven machine tools.

A cylindrical pulley or drum in machinery. [R.]

orn at that stage of development when it is fit to be eaten roasted. -- Roasting jack, a machine for turning a spit on which meat is roasted.

-- called also rock doo. -- Rock drill, an implement for drilling holes in rock; esp., a machine impelled by steam or compressed air, for drilling holes for blasting, etc. -- Rock duck (Zoöl.), the harlequin duck. -- Rock eel. (Zoöl.) See Gunnel. -- Rock goat (Zoöl.), a wild goat, or ibex. -- Rock hopper (Zoöl.),…

An oscillating bar in a machine, as the lever of the bellows of a forge.

Any implement or machine working with a rocking motion, as a trough mounted on rockers for separating gold dust from gravel, etc., by agitation in water.

hich heated metal is passed, to form it into sheets, rails, etc. -- Rolling press. (a) A machine for calendering cloth by pressure between revolving rollers. (b) A printing press with a roller, used in copperplate printing. -- Rolling stock, or Rolling plant, the locomotives and vehicles of a railway. -- Rolling tac…

an oil obtained from the resin of the pine tree, -- used by painters and for lubricating machinery, etc.

of forming the rove, or slightly twisted sliver or roll of wool or cotton, by means of a machine for the purpose, called a roving frame, or roving machine.

The cushion of an electrical machine.

That which ruffles; specifically, a sewing machine attachment for making ruffles.

Used in marking or engraving lines; as, a ruling machine or pen.

To cause to pass through a rumble, or shaking machine. See Rumble, n., 4.