Powerhouses of the Sierra Nevada

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Overview
The historic powerhouses of the Sierras have been powering much of California's growth for the past hundred years or so. Located in canyons where water can be dropped thousands of feet from ridges above, they were California's first source of electrical power. The oldest powerhouses were built by survivors of the original gold rush, who turned metalworking and pipe-fitting skills to the task of generating electricity. The resulting machines were curious amalgamations of steam valves, riveted pipes, waterwheels, and rudimentary electrical devices imported from the East Coast. These views show how miners chipped out a small ledge on a granite cliff hundreds of feet below Spaulding Lake dam to create an anchor point for a powerhouse that seems embedded in the rock itself. They also celebrate the genius of mining-camp tinkerer Lester Pelton, who, in 1880, invented a more efficient waterwheel capable of spinning a generator shaft at high speed. His invention bore his name, and the basic design is used to this day throughout the world.
Details
ISBN: 9780738547572
Format: Paperback
Publisher: Arcadia Publishing
Date:
State: California
Series: Images of America
Images: 200
Pages: 128
Dimensions: 6.5 (w) x 9.25 (h)
Author
Photojournalist Steve Hubbard has written extensively on this fascinating subject and spent several years researching private collections and those of Pacific Gas and Electric Company to present the story of how these powerhouses came to be.
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