Leonardo da Vinci - Drawings of Inventions

"Science is the observation of things possible, whether present or past. Prescience is the knowledge of things which may come to pass, though but slowly."  Leonardo da Vinci

Leonardo - Cannon, Mortars, Light Ordinance

Leonardo - Cannon Ball Sling





Leonardo - Invention Drawing




Leonardo - Invention Drawing




Leonardo - Pinion Wheel


Leonardo - Tempered Spring  







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