Try searching with the terms "Pelton wheel" .
It's the most common water turbine used in North America. You will find
thm in many museums, most relaited to mining or hydro-electric
power.
The Knight Foundry http://knightfoundry.org/about.html is
trying to preserve a water powered foundry-machine shop in Sutter Creek
California... This was the home of the compeating "Knight wheel", 9 or so of
which power the foundry... It is very much a progect in progress, with progress
slowed by the California budget crisis.
Randy Hees
Patterson House at Ardenwood Farm
City of Fremont,
California