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FYI here is a local hydro electric plant, it is totally underground, built in 1898 and is still 100% operational. Its the least expensive plant that Puget Sound Energy operates, cost is about 1 penny for KW hour.

- Tom Baker
Top of falls. Hydroplant is 270 feet below:

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Built in 1898:

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Total of 5 horizontal generators
Walls are hewn basalt rock:

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This DC generator creates the field:

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Wheels on top are set to brass contacts which change field voltage. Panels are made from marble:

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Fan controller - Note rock walls
Speed set via handle:

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