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

LEONARDO DA VINCI - Effects of the combination of two or more toothed wheels - Five wheels (four external)


Madrid Ms. I (BNM), fol. 26v (detail)

"Every wheel placed on one-half of the moving wheel [the large central wheel] will turn in a direction opposite to those wheels moved by the other half."

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