Public domain photos

The image shows a black and white photo of a machine sitting on top of a table in a room with a wall in the background and a ceiling at the top. The machine appears to be an electron microscope, with a cylindrical shape and a handle on the side.

The image shows a black and white photo of a machine sitting on top of a table in a room with a wall in the background and a ceiling at the top. The machine appears to be an electron microscope, with a cylindrical shape and a handle on the side.Open in library