drawing compass

The American Dictionary and Cyclopedia · 1910 · p. 19
An instrument with two legs, used for striking circles and curves. One leg has a pen or pencil, and it has several modifications, such as Bow-pen, Bow-pencil, Beam-compa , . Compa es for measuring and transferring measurements are called Dividers, Bisecting-compa , Proportional-compa , . [COMPASS.] drawing-frame, s. 1. Spinning: A machine in which the slivers of cotton or wool from the carding-machine are attenuated by pa ing through consecutive pairs of rollers, each succe ive pair rotating at a higher speed than its predece or. The device was first invented by Leon Paul, patented 1738; and perfected by Ark wright, patent 1769. It was called a water-frame, 2. Silk-mach.: A machine in which the fibers of flo or refuse silk are laid parallel, preparatory to being cut into lengths by the cutting-engine, to be afterward worked like cotton. IMG:content-0501.png:[blocks in formation] 1. One for elongating the soft roving of fiber. [DRAWING-FRAME.] 2. One for drawing a strip of metal through a gauged opening to equalize its size. [DRAWING BENCH.] 3. A form of spinning-machine for ductile sheet metal.
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