Online Exhibits > Leonardo and the Engineers of the Renaissance > 3D Simulations

Retractable bridge

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The bridge, which comprises two moving sections and one fixed section, retracts along roughly one-half of its distance toward the villa. The movement is controlled by a jack, which, by means of chains and pulleys, drives the two rollers, that transmit the motion to the two sections of the bridge at two different speeds, one twice as fast as the other.

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2004 IMSS Piazza dei Giudici 1 50122 Florence ITALY