Public domain photos

The image shows a page from a manuscript with a drawing of a circle on it. The paper is filled with text and numbers, and there is a color chart on the right side of the page. The background is dark, giving the image a mysterious atmosphere.

The image shows a page from a manuscript with a drawing of a circle on it. The paper is filled with text and numbers, and there is a color chart on the right side of the page. The background is dark, giving the image a mysterious atmosphere.Open in library