Public domain photos

The image shows a black and white drawing of a machine with a clock on it. The machine is composed of various components, including a pendulum, a cylinder, and a handle. The text accompanying the drawing provides further details about the machine.

The image shows a black and white drawing of a machine with a clock on it. The machine is composed of various components, including a pendulum, a cylinder, and a handle. The text accompanying the drawing provides further details about the machine.Open in library