Public domain photos

The image shows a drawing of a machine on a piece of paper with Chinese writing on it. The machine is depicted in detail, with its various components and mechanisms clearly visible. The paper also contains text, likely providing further information about the machine.

The image shows a drawing of a machine on a piece of paper with Chinese writing on it. The machine is depicted in detail, with its various components and mechanisms clearly visible. The paper also contains text, likely providing further information about the machine.Open in library