text: The sawmill was also described by the Dutchman Cornelis Corneliszoon ( 1550 â `` 1607 ) by applying a crankshaft onto a windmill , which converted a turning motion into an up-an-down motion .
simplified: The Dutchman Cornelis Corneliszoon ( 1550-1607 ) invented his type of sawmill by applying a pitman arm onto a wind mill , which converted a turning motion into an up-an-down motion .