Labels:book | box | hakham | lodestone | reckoner | road OCR: CIVIL ENGINEERING Leonardo's patron Florence, Cesare Borgia, appointed him his architect FORTRESS and decreed that every engineer and engi must ineer-i confer in-chief with Leonardo and follow his advice. he introduction of gunpowder to the battlefield made it necessary to rethink the entire science of defensive architecture Leonardo rose tc the chall lenge with his radical new fortress design The circular layout creates a series of moats, which can be filled with water in case of enemy attack The fire low rest escape of The the rounded through central fortress, walls an tower were allowing could underground meant be the to isola tunnel. ated deflect commander from enemy to the ENGINEERING CIVIL "The of the manor must be able to go through the entire fortress using tunnels and underground ...
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