Drawings of machines , by leonardo da vinci , 1500 , design , High Renaissance style , instruments and mechanisms, designs and sketches, Sketch
A drawing of a windmill and other mechanical devices.
A drawing is on a piece of paper. There are drawings on the paper in black and white. There is a tower with a crane on top of it. Next to the crane is a large wheel with a long ladder coming out of the side of it that is attached to a tall pillar. Below that is another drawing of a machine with large wheels on it. 