Public domain photos

The image shows a black and white photo of a machine sitting on top of a table, with a curtain in the background and text at the bottom. The machine appears to be a measuring instrument, with various components and wires connected to it.

The image shows a black and white photo of a machine sitting on top of a table, with a curtain in the background and text at the bottom. The machine appears to be a measuring instrument, with various components and wires connected to it.Open in library