Julius Elster

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Julius Elster

German physicist

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thermionic power converter
Development of thermionic devices
From 1882 to 1889, Julius Elster and Hans Geitel of Germany developed a sealed device containing two electrodes, one of which could be heated while the other one was cooled. They discovered that, at fairly low temperatures, electric current flows with little resistance if the hot electrode is positively…
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From 1882 to 1889, Julius Elster and Hans Geitel of Germany developed a sealed device containing two electrodes, one of which could be heated while the other one was cooled. They discovered that, at fairly low temperatures, electric current flows with little resistance if the hot electrode is positively…
Read More