Designed to measure the distance traveled ダヴィンチマシン ワーキングモデル

Da Vinci inventions that worked Leonardo da Vinci machines Odometer Working models Работающие модели ダヴィンチマシン ワーキングモデル An instrument that indicates distance traveled by a vehicle The Idea is perpetual, the machine is not How to make a wheel is here: Must see, interesting work