Measurement of the absorbing power of ma
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G.F.S.
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Article
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1931
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Elsevier Science
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English
β 118 KB
CURRENT TOPICS. 135 distribute the magnified electric current among several loud speakers rather than to concentrate it upon a single one. When all the component frequencies of a complex sound are magnified in the same ratio so that there is no actual distortion the listener hears the sound as badly