Water Clock Drawing For Kids. Use a bradawl or other tool with a sharp narrow point to pierce the lid of the bottle creating a small hole with a diameter of roughly 1 8 inch 3 175 mm. Water clocks are one of the oldest time measuring instruments.
The bowl shaped outflow is the simplest. The water clock however was not without its flaws. A water clock is a timekeeping device that uses a flow of water to measure time.
It is not as accurate as most modern time keeping devices but when these clocks were first developed they were quite adequate for the times.
In future i woul. To solve this problem the water clock was supplied with water from a large reservoir in which the water was kept at a constant level. The water clock was also used to measure the duration of orators speeches. Blank sheet of paper and a pencil.