Public domain photos

The image shows a woman sitting at a desk in a laboratory, holding a book in her hands. On the desk in front of her are various objects, and in the background there are racks with bottles and other items. The image is in black and white.

The image shows a woman sitting at a desk in a laboratory, holding a book in her hands. On the desk in front of her are various objects, and in the background there are racks with bottles and other items. The image is in black and white.Open in library