caption: The image shows a drawing of a clock with a wheel on top of it, surrounded by text and a stamp. The clock has a pendulum, which is a mechanism used to control the speed of the clock. The wheel is made of metal and is connected to the clock by a series of wires. The text on the paper provides further information about the clock, such as its purpose and how it works. The stamp adds a unique touch to the image, making it stand out.