Abstract
THE following calculation, made with the view of examining whether the remarkable phenomena recently discovered by Prof. Bell could be explained on recognised principles may interest the readers of NATURE. I refer to the un-electrical sounds produced by the simple impact of intermittent radiation upon thin plates of various substances.
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RAYLEIGH The Photophone . Nature 23, 274–275 (1881). https://doi.org/10.1038/023274a0
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DOI: https://doi.org/10.1038/023274a0
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