Abstract
EXPERIMENTS that I have recently made with a “Bell” telephone have convinced me that the sounds produced are the result of molecular change in the iron disk, and are the same in kind as those heard in the telephone of Reiss.
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JENNS, P. The Telephone. Nature 20, 266 (1879). https://doi.org/10.1038/020266b0
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DOI: https://doi.org/10.1038/020266b0