Gin block

a simple form of tackle block, having one wheel, over which a rope runs; - called also whip gin, rubbish pulley, and monkey wheel.

gin block

[′jin ‚bläk] (naval architecture) A block with a metal frame and a single large-diameter sheave, used to facilitate overhauling, and to hoist numerous packages, such as in cargo hoisting.

gin block

A simple form of tackle block with a single wheel, over which a rope runs.

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