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Collection on deposit

Description:


In folio 17v of the Codex Atlanticus, Leonardo studied a means of transmitting motion to the wheel axle of a cart, a function which in modern means of transport is performed by the differential. A crank turns the wheel with pins on its lower face, which engages the pinion on the cart axle; thus the motion is transmitted to one wheel only, allowing the other to adapt its speed to the different length of its trajectory when going round a corner. 

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