Robert Pohl

Robert yielding pool of broadcasting corporations Pohl (* 10. August 1884 in Hamburg; † 5. June 1976 in Goettingen) was a German physicist.

Pohl carried substantial out for the switching of physical basic knowledge and with the invention of physical Schauversuchen. Many of its devices are used today in physical practical courses and lectures. Most well-known the Pohl wheel , a turning pendulum with electrically variable eddy current absorption is supposed.

In the year 1938 Pohl designed a functioning solid amplifier (contrary to the usual tube amplifiers), which reacted however too slowly to signals. It used salt as semiconductor.

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