FIGURE III.

A detailed woodcut illustration shows a complex water-powered mechanical device constructed on boats (L, M) floating on a river. A central vertical shaft (A) holds a paddle wheel driven by the current. Above this, a system of drums and pulleys (K, I, F) operates. A thick rope (G) extends from the drum (F) to a diagonal beam or pipe (D, E). Near the shoreline (B, C), a person in a small boat operates a lever (H).