The image is a black and white photograph of two men working on a large machine in a factory. The machine appears to be a large, cylindrical object with a large opening in the center. The men are standing in front of the machine and are working on it with tools and equipment. They are both wearing overalls and appear to be focused on their work. The background shows a large window on the right side of the image, suggesting that the factory is indoors. The image is likely from the early 20th century.