Aid for the Deaf
A Recent Invention. Two Vienna scientists recently demonstrated an apparatus which, in effect, is an artificial eardrum enabling deaf persons to hear by means
‘> s of electric waves transmitted to the brain direct through the auditory nerve, In the tests, a@ gramophone record was played in one room and the sound waves were transformed into electric vibrations which were carried by wire to another room. There deaf persons were able to hear the music merely by touching the wire’ to the ears. At present the apparatus is complieated and dangerous, because the sounds, after conversion to electric impulses, are greatly amplified.
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https://paperspast.natlib.govt.nz/periodicals/RADREC19300725.2.72.5
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Radio Record, Volume III, Issue 54, 25 July 1930, Page 34
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105Aid for the Deaf Radio Record, Volume III, Issue 54, 25 July 1930, Page 34
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