Pulley

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One of the six simple machines or mechanical powers. It consists of a grooved wheel mounted in a block, and is used to increase power and transmit it, by means of a rope or flexible cord, in a changed direction.

Keywords

pulley

Galleries

Pulleys

Source

B. P. Holst The Teachers' and Pupils' Cyclopaedia (Kansas City: The Bufton Book Company, 1909)

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