Public domain photos

The image shows a drawing of a building with a lot of windows and elevations, as well as a plan of the building's elevation. The drawing is on a piece of paper with some text written on it, and there are color scales at the bottom of the image.

The image shows a drawing of a building with a lot of windows and elevations, as well as a plan of the building's elevation. The drawing is on a piece of paper with some text written on it, and there are color scales at the bottom of the image.Open in library