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Scientific American, Vol. 94, No. 13 (1906) (1906)

leaf 3

An illustration from Scientific American, Vol. 94, No. 13 (1906), 1906, leaf 3
. That the installation has long since passed the musical scale. Each of these generators produces absent, the living hand of the performer is controlling as many electrical vibrations per second as there are the experimental stage will be appreciated when it what answers to an electrical bow. The… … turbed by the hum of so many generators. From the

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