Leonardo da Vinci: ornithopterLeonardo da Vinci's programs for an ornithopter, a traveling device saved aloft through the beating of its wings, c. 1490. Cite Whilst each and every exertion has been produced to stick to citation model rules, there may be some discrepancies. Remember to seek advice from the right https://johnnysxbfj.oneworldwiki.com/6222436/industrial_food_technology_for_dummies