Public domain photos

The image shows a drawing of a gun barrel rolling mill on a piece of paper. It is a machine with a cylindrical shape and a handle on the side. The paper has text written on it, likely describing the features of the mill.

The image shows a drawing of a gun barrel rolling mill on a piece of paper. It is a machine with a cylindrical shape and a handle on the side. The paper has text written on it, likely describing the features of the mill.Open in library