Labels:book | box | map | plant | pole | reckoner | road | tree OCR: Many of Leonardo's water inventions made use of PADDLEBOAT waterwheels, which date back to ancient Greece and Rome but were not W ridely used until the Middle Ages n Leonardo' paddle- powered boat the use of paddle wheels makes 1 both powerful and efficient Because the rowers face forward 11 would also be particularly easy to maneuver "Mechanical science most noble and useful above others, for by means of it all animated bodies motion perform their operations. c 1996 SoftKey Multimedia Inc. subsidiary of SoftKey International Inc widely eonardo 9661 SoftKev SoftKex
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