The efficiency of a Poncelet wheel has been found in experiments to reach 0.68.
Several constructions have been given for the floats of Poncelet wheels.
A general notion of the action of the water on a Poncelet wheel has already been given in 159.
At nine, Poncelet bought a watch that was out of order in order to study it, then took it apart and put it together correctly.
You know what Poncelet understood by the principle of continuity.