Public domain photos

The image shows a piece of paper with a drawing of a circular structure on it. The paper is white in color and has text written on it, as well as a scale at the bottom. The drawing appears to be a plan of a building.

The image shows a piece of paper with a drawing of a circular structure on it. The paper is white in color and has text written on it, as well as a scale at the bottom. The drawing appears to be a plan of a building.Open in library