Abstract
CAN any of your readers tell me how to make an artificial hiss? I have heard something like one from steam blowing off at a safety-valve. There the pressure was very high, but in the mouth a hiss is made with a moderate pressure behind. The problem must have been faced by inventors of speaking machines, but I do not know with what success. The best that I have been able to do myself is by blowing through a rubber tube nipped at about half an inch from the end with a screw clamp, but the sound is perhaps more like an f than an s.
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RAYLEIGH Artificial Hiss. Nature 91, 319 (1913). https://doi.org/10.1038/091319b0
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DOI: https://doi.org/10.1038/091319b0
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