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The catapult, a machine used for throwing heavy darts.

Catapult

The catapult, a machine used for throwing heavy darts.

General arrangement of machinery. A, upcast shaft; b, winding gear; c, downcast shaft; d, porch; e, cage; f, wire rope; g, head-gear pulley; h, winding engine; k, "tipplers"; l, screens.

Machinery

General arrangement of machinery. A, upcast shaft; b, winding gear; c, downcast shaft; d, porch; e,…