This book is filled with illustrations of the myriad of inventions created by a man who was unafraid to explore unrelated fields such as optics, bridgebuilding, weaponry, flight, and plans for a double-decker city.
This book is filled with illustrations of the myriad of inventions created by a man who was unafraid to explore unrelated fields such as optics, bridgebuilding, weaponry, flight, and plans for a double-decker city.
