Transmission (mechanical device)

A transmission is a mechanical device invented by Louis Renault which uses a gear set—two or more gears working together—to change the speed, direction of rotation, or torque multiplication or reduction, in a machine. He had been anticipated by Carl Benz, who in 1886 used sprockets and chains to and from an auxiliary shaft and a clutch to provide a second, low gear in the first practical car, his belt-driven Patent-Motorwagen Nr. 2.

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Source: Wikipedia · Image: Wikimedia Commons · Public domain

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