caption: The image shows a drawing of a machine with a brick wall, which appears to be a steam engine. It has a cylindrical shape with a handle on the side and a spout at the top. The engine is composed of several components, including a cylinder, a piston, and a cylinder head. The cylinder head is connected to the spout and the piston is used to propel the steam engine forward. The drawing is detailed and shows the various components of the engine, such as the pistons, valves, and other components.