Online Exhibits > Leonardo and the Engineers of the Renaissance > Manuscripts > Madrid Ms. I

LEONARDO DA VINCI - Using the toothed wheel to transmit motion - Reciprocal transverse motion produces continuous rotary motion


Madrid Ms. I (BNM), fol. 123v (detail)

Leonardo shows the device from two different angles: "Motion, by which a handle turned or moved back and forth, makes a wheel turn always in the same direction."

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