Public domain photos

The image shows a man wearing a cap and glasses, holding something in his hand, standing in front of a table with a book, papers, and other items on it, illuminated by a lamp. In the background, there are meters and pipes on the wall.

The image shows a man wearing a cap and glasses, holding something in his hand, standing in front of a table with a book, papers, and other items on it, illuminated by a lamp. In the background, there are meters and pipes on the wall.Open in library