Public domain photos

The image shows a group of people working on a machine in a black and white photo. There are a few people sitting and a few standing, and in the background there are windows and a wall. On the left side of the image, there is a board with papers attached to it.

The image shows a group of people working on a machine in a black and white photo. There are a few people sitting and a few standing, and in the background there are windows and a wall. On the left side of the image, there is a board with papers attached to it.Open in library