An instrument used for drawing curves at a large radius, a beam-compass. Also, a profile tool for cutting mouldings in wood or metal in a lathe.

An instrument for drawing curves, especially of large radius, consisting of a rigid beam, and a strip of wood, steel, or the like, which is bent…

Mechanics. An instrument for describing ellipses (French compas à ellipse), consisting of a cross with two grooves at right angles, in which slide…

The shorter and thicker of the two pieces composing a T-square or an L-square.

(a) an instrument for tracing circular arcs; (b) an oscilloscope (see quots.).

A string used in describing a circle. Obsolete.

(a) a plate of wood, metal, etc. in the form of a right-angled triangle, the acute angles being either 60° and 30° or both 45°, used by draughtsmen…

An instrument for making projections or geometrical drawings of skulls or similar solid objects.

gen. One who or that which traces lines or makes tracings; spec.. A stylus for tracing on copying paper; also, the writing instrument of a…

A device formerly used to facilitate the drawing of an object, in which the object is viewed through a plate of glass and a tracing of it made on the…