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Helmholtz and Koenig’s Oscillator

Published 21.04.2011 Presenter Anton Pankratov

Helmholtz and Koenig's Oscillator

The tuning fork is one of the first sources producing sound signal of a certain frequency. It enjoyed great popularity in laboratories. Its electric analogue or an audio frequency oscillator was invented by German physicists Hermann Helmholtz and Rudolph Koenig.
Such an oscillator comprised a tuning fork tuned for a certain frequency ...