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Pelton Wheel Manufacturing Site
The Pelton Water Wheel, first commercially manufactured here at George Allan's
Foundry and Machine Works in 1879, was a major advancement in water power utilization
and greatly advanced hard-rock mining. Its unique feature was a series of paired buckets,
shaped like bowls of spoons and separated by a splitter, that divided the incoming
water jets into two parts. By the late 1800s, the Pelton Wheels were providing
energy to operate industrial machinery throughout the world. In 1888, Lester Pelton
moved his business to San Francisco, but granted continuing manufacturing rights to
Allan's Foundry, where the wheels were manufactured into the early 1900s, when most
local mines shifted to electric power.
California Registered Historical Landmark No. 1012
Plaque placed by the State Department of Parks and Recreation in cooperation
with the Nevada County Cultural Preservation Trust and Pacific Gas & Electric Co., May 11, 1994.
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