Public domain photos

The image shows a close up of a piece of wood with a ruler next to it. The wood is black in color and the ruler is on a white surface. At the bottom of the image, there is a scale and some text.

The image shows a close up of a piece of wood with a ruler next to it. The wood is black in color and the ruler is on a white surface. At the bottom of the image, there is a scale and some text.Open in library