The water clock ha three part.On the left i a tank holding water.Thi tank ha a narrow opening through which water drip into a econd container,alo a tank.Inide the econd tank i a floating object,to the end of which i attached a long pole with an arrow.On the right i a cylinder with the number one to twelve written on it.A the water from the tank on the left drip into the econd tank,the level rie and with it the lfoating object.Thi caue the arrow to move from one number to the next.One thu ha a twelve hour clock.After twelve hour the econd tank i emptied and the proce i begun again.
下一个对象左持水水时钟有三个部分。在左坦克。这种坦克有一个狭窄的开口通过水滴到第二容器，同时坦克。里面第二坦克是漂浮的物体，来结束这是附加了一个长杆的箭头。在右气缸与数字1到12写。作为水从水箱滴入第二坦克，的水平上升，它lfoating。这原因箭头移动从一个号码。一个具有12小时时钟。后12小时第二罐排空过程重新开始。