Public domain photos

The image shows a black and white photo of a room with a wall in the background and a ceiling with lights at the top. In the foreground, there are several electronic devices, including a radiotelegraph, arranged in a neat row.

The image shows a black and white photo of a room with a wall in the background and a ceiling with lights at the top. In the foreground, there are several electronic devices, including a radiotelegraph, arranged in a neat row.Open in library