Public domain photos

The image shows a black and white photo of a large machine inside of a building, with stairs, railings, poles, lights, pipes, and other objects visible. There is a person standing in the foreground, and the floor is visible at the bottom of the image.

The image shows a black and white photo of a large machine inside of a building, with stairs, railings, poles, lights, pipes, and other objects visible. There is a person standing in the foreground, and the floor is visible at the bottom of the image.Open in library