The Photoacoustic Effect

John McClelland

"I have devised a method of producing sounds by the action of an intermittent beam of light from substances that cannot be obtained in the shape of thin diaphragms or in the tubular form ; indeed, the method is specially adapted to testing the generality of the phenomenon we have discovered, as it can bo adapted to solids, liquids, and gases."

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Publish Date: 01 January 1979


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