Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 866
3790. … [t is, however, to be remarked that, except in the undershot-wheel of M. Poncelet, no attempt ha> hitherto 1 n made to give the buckets a definite form with reference to tlu action of the water upon them on its admission; and possibly under the system now generally adopted, of introducing it…
Mechanical engineering
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
