Studies of Water passing Obstacles and falling , by leonardo da vinci , 1508 , sketch and study , High Renaissance style , instruments and mechanisms, fountains and pools, Grass family
A drawing of a book on a page of text.
A piece of paper has two drawings on it. The first drawing is of a book on a wave. The second drawing has a wave coming out of a bowl. The drawing is brown in color. There is some writing on the bottom of the paper.