Machine for Circulating Water throughout the Castle, from Civil Architecture

Ever pragmatic, Lequeu included designs for a comprehensive sewage system and a mechanism to distribute water in his depiction of a Moorish pleasure palace. Inside the tower, the wind would lash a stretched canvas, moving a vertical chain that carries a bucket of water from the moat to a channel, which would distribute the water through the structure. At
right, Lequeu added a recently invented lightning rod to protect the building.