Poncelet's Water Wheel, 1824
Motive Power
1824 (original); 1891 (model)
Model, (scale 1:10), of Poncelet's Undershot water-wheel in masonry pit with rack and pinion operated sluice, on base board. Original by Jean Victor Poncelet, 1824, model by Regnard Frères, 59 rue Bayen, Paris, France, 1891.