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y back and forth movements of the brace handle. -- Ratchet drill, a portable machine for working a drill by hand, consisting of a hand lever carrying at one end a drill holder which is revolved by means of a ratchet wheel and pawl, by swinging the lever back and forth. -- Ratchet wheel (Mach.), a circular wheel havin…

To restore the original design of, by working in new warp; -- said with reference to tapestry.

A partial reworking,as of a painting, a sculptor's clay model, or the like.

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.

piston is transformed into a continuous rotary motion, as by means of a connecting rod, a working beam and crank, or an oscillating cylinder.

A plane made like a spokeshave, for working the inside edges of circular sashes.

eefing bowsprit. -- Running days (Com.), the consecutive days occupied on a voyage under working days. Simmonds. -- Running fire, a constant fire of musketry or cannon. -- Running gear, the wheels and axles of a vehicle, and their attachments, in distinction from the body; all the working parts of a locomotive or ot…

One who saps; specifically (Mil.), one who is employed in working at saps, building and repairing fortifications, and the like.

The skill of a good seaman; the art, or skill in the art, of working a ship.

Having all the essential working parts connected by a bedplate or framework, or contained in a case, etc., so that mutual relations of the parts do not depend upon fastening outside of the machine itself. Self-contained steam engine. (a) A steam engine having both bearings for the crank shaft attached to the frame of t…

cess used in preparing certain kinds of leather, which consists in frizzing the skin, and working oil into it to supply the place of the astringent (tannin, alum, or the like) ordinarily used in tanning.

The process of making a vertical side 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.

instrument consisting of two blades, commonly with bevel edges, connected by a pivot, and working on both sides of the material to be cut, -- used for cutting cloth and other substances. Fate urged the shears, and cut the sylph in twain. Pope.

part of a plow which projects downward beneath the beam, for holding the share and other working parts; -- also called standard, or post.

also, the imperfect weld in a forging caused by the inadequate heat of one surface under working.

a notched piece of wood for clamping a board to something, as a bench. -- Side lever, a working beam of a side-lever engine. -- Side-lever engine, a marine steam engine having a working beam of each side of the cylinder, near the bottom of the engine, communicating motion to a crank that is above them. -- Side pipe…

The act or art of working or forging metals, as iron, into any desired shape. Moxon.

To break ground; to continue working.

from Start, v. Starting bar (Steam Eng.), a hand lever for working the values in starting an engine. -- Starting hole, a loophole; evasion. [Obs.] -- Starting point, the point from which motion begins, or from which anything starts. -- Starting post, a post, stake, barrier, or place from which competitors in a race s…

To run or plane (moldings) in a machine, in contradistinction to working them by hand. Such moldings are said to be stuck.