Abstract
MR. PREECE and Mr. Stroh, who have been working for the past twelve months upon the acoustic properties of the phonograph, have completed their labours as far as the vowel sounds are concerned, and their paper on the synthetic examination of these sounds will be read before the Royal Society probably on the 27th inst. Several new instruments of great novelty an marvellous ingenuity will be exhibited, including a new phon autograph, an automatic phonograph, a compound curve-tracer a new syren, and a new musical instrument.
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Notes . Nature 19, 374–376 (1879). https://doi.org/10.1038/019374a0
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DOI: https://doi.org/10.1038/019374a0
