Public domain photos

The image shows an old black and white photo of a large machine in a factory, with people standing on the floor, railings, poles, and windows in the background. The machine appears to be a steam turbine, with a large wheel in the center.

The image shows an old black and white photo of a large machine in a factory, with people standing on the floor, railings, poles, and windows in the background. The machine appears to be a steam turbine, with a large wheel in the center.Open in library