GeoGebra

Some Models from Da Vinci

저자:Diego Lieban

Book cover that they use as inspiration

Book cover that they use as inspiration

Catapult

Catapult

Jack

Jack
This machine is easy to understand for anyone who has tried to change a tire. It is made from a crank, reduction gear and a rod with teeth that move up and down.

Cam Hammer

Cam Hammer

Paddle-Wheeled Boat

Paddle-Wheeled Boat

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