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Scientific American 1901-11-02

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Waste-heat auxiliary engine of 100 horse power at the Technical High-School, Charlottenburg, Prussia. Vaporizer and condenser. Berlin electrical power station. Vaporized sulphur dioxide gas being used expansively in a separate cylinder.



Source: Steve Kirch, collector, and creator of a great website about SCIENTIFIC AMERICAN in the past

Restoration by: magscanner