Public domain photos

The image shows a drawing of a cannon on a piece of paper with Chinese writing. The cannon is drawn in detail, with its wheels, cannons, and other features clearly visible. The paper also contains text, likely providing further information about the cannon.

The image shows a drawing of a cannon on a piece of paper with Chinese writing. The cannon is drawn in detail, with its wheels, cannons, and other features clearly visible. The paper also contains text, likely providing further information about the cannon.Open in library