The image is a photograph of a blueprint of a car engine. The blueprint is in black and white and shows the layout of the engine with various components such as the pistons, valves, and other mechanical components. 

On the left side of the image, there is a small photograph of the car engine, which appears to be a vintage model. The car is shown in a side profile view, with the front and back of the body visible. The engine is shown from a top-down perspective, with a large cylinder in the center and two smaller photographs on either side.

The blueprint also includes text that explains that the engine is a piston from which it is displayed together with drawings of different types of engines. The text also mentions that the piston is a type of engine that is used in the construction of cars and other vehicles. The background of the photograph is a wooden pallet, and there are other machinery and equipment visible in the background.