I te 10 BC, i whakaahuatia e te kaitoi o mua o Roma a Vitruvius he mihini hiki i tana pukapuka hoahoa.He poupou to tenei miihini, ko te tihi o te pou he mea whakakakahu ki te pulley, ko te tuunga o te poupou e mau ana ma te taura kume, a ko te taura e haere ana i roto i te pulley he ...
Pānuitia atu