Abstract
IT seems improbable that nobody should have ever tried replacing the telephone by a loud speaker in conductivity measurements, but I have never heard of it, nor read anything about its possibility and advantages; I will, therefore, describe it very briefly, as I feel convinced that it represents a real improvement over the customary procedure.
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NOÜY, L. Replacing the Telephone by a Loud Speaker in Conductivity Measurements. Nature 127, 441 (1931). https://doi.org/10.1038/127441b0
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DOI: https://doi.org/10.1038/127441b0
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