Cannon foundry , by leonardo da vinci , 1487 , design , Early Renaissance style , instruments and mechanisms, designs and sketches, factories and plants
A drawing of a mechanical contraption in a factory.
This is an image of a drawing. The drawing is black and white. There is a large structure in the middle of the image. There are large wheels on the bottom of the structure. The structure is made up of metal bars and poles. The bars are connected to a large piece of metal. The ground under the structure is covered in dirt and rocks.