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A tool with teeth, used for chasing screws on work in a lathe; a chaser.

the simple ratios a:c and b:d. -- Compound rest (Mech.), the tool carriage of an engine lathe. -- Compound screw (Mech.), a screw having on the same axis two or more screws with different pitch (a differential screw), or running in different directions (a right and left screw). -- Compound time (Mus.), that in whic…

Having furrowed edges, as if turned in a lathe.

ce is the space contained between a cycloid and its base. Cycloidal engine. See Geometric lathe.

Not imparting motion or power; as, the dead spindle of a lathe, etc. See Spindle. Dead ahead (Naut.), directly ahead; -- said of a ship or any object, esp. of the wind when blowing from that point toward which a vessel would go. -- Dead angle (Mil.), an angle or space which can not be seen or defended from behind the…

A piece in machinery acting as a catch or clutch; especially, the carrier of a lathe, also, an adjustable stop to change motion, as in a machine tool.

An attachment to a lathe, spindle, or face plate to turn a carrier.

ch escapement, in which the scape-wheel has two sets of teeth. See Escapement. -- Duplex lathe, one for turning off, screwing, and surfacing, by means of two cutting tools, on opposite sides of the piece operated upon. -- Duplex pumping engine, a steam pump in which two steam cylinders are placed side by side, one op…

s blaze. Savage. Eccentric anomaly. (Astron.) See Anomaly. -- Eccentric chuck (Mach.), a lathe chuck so constructed that the work held by it may be altered as to its center of motion, so as to produce combinations of eccentric combinations of eccentric circles. -- Eccentric gear. (Mach.) (a) The whole apparatus, stra…

driver, one who manages an engine; specifically, the engineer of a locomotive. -- Engine lathe. (Mach.) See under Lathe. -- Engine tool, a machine tool. J. Whitworth. -- Engine turning (Fine Arts), a method of ornamentation by means of a rose engine.

roducing progressive operation upon any material or object in a machine, as, in a turning lathe, by moving the cutting tool along or in the work.

Any worm belonging to the Plathelminthes; also, sometimes applied to the planarians.

for fluting ruffles; -- called also Italian iron, or gaufering iron. Knight. -- Fluting lathe, a machine for forming spiral flutes, as on balusters, table legs, etc.

), a half beam to support a deck, where hatchways occur. -- Fork chuck (Wood Turning), a lathe center having two prongs for driving the work. -- Fork head. (a) The barbed head of an arrow. (b) The forked end of a rod which forms part of a knuckle joint. -- In fork. (Mining) A mine is said to be in fork, or an engine…

the opening of that gap. Knolles. It would make a great gap in your own honor. Shak. Gap lathe (Mach.), a turning lathe with a deep notch in the bed to admit of turning a short object of large diameter. -- To stand in the gap, to expose one's self for the protection of something; to make defense against any assailing…

striking the edge of the rail. -- Gauge glass, a glass tube for a water gauge. -- Gauge lathe, an automatic lathe for turning a round object having an irregular profile, as a baluster or chair round, to a templet or gauge. -- Gauge point, the diameter of a cylinder whose altitude is one inch, and contents equal to t…

An apparatus for performing a special function; gearing; as, the feed gear of a lathe.

To secure or fasten with a gib, or gibs; to provide with a gib, or gibs. Gibbed lathe, an engine lathe in which the tool carriage is held down to the bed by a gib instead of by a weight.

tton spinning machine. -- Grinding mill. (a) A mill for grinding grain. (b) A lapidary's lathe.

The part of a lathe that holds the revolving spindle and its attachments; -- also called poppet head, the opposite corresponding part being called a tailstock.