Public domain photos

The image shows a black and white photo of a machine in a room with a wall in the background. The machine appears to be an autoclave, with a cylindrical shape and a handle on the side. It has several pipes running along the top and sides, and a door at the bottom.

The image shows a black and white photo of a machine in a room with a wall in the background. The machine appears to be an autoclave, with a cylindrical shape and a handle on the side. It has several pipes running along the top and sides, and a door at the bottom.Open in library