Re: I haven't been in Kindergarten in over 50 years
2016/02/29 12:15:56
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☼ Best Answerby BobF 2016/02/29 18:05:57

In order, then, to discover the limit of deepest tones, it is necessary not only to produce very violent agitations in the air but to give these the form of simple pendular vibrations. - Hermann von Helmholtz, predicting the role of the electric bassist in 1877.