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The inventor of the tubeless radio used an unknown solid-state effect, which was never rediscovered.
www.benduhn.homepage.t-online.de/denk/summary.html
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Features transcriptions of diary entries that pertain to the making of his invention, the Shay locamotive engine. Page includes related resource links.
www.ephraimshay.com/
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The inventor of the steam boat. Full text of thus 1857 publication by Thompson Westcott.
www.history.rochester.edu/steam/westcott/
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