Word: panchords
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Dates: during 1925-1925
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...Manhattan, the Brunswick-Balke-Collender Co. demonstrated a "panatrope" and "panchords," announced that both would soon be marketed. The panatrope is a new music-making machine constructed on the principle of radio-telephotography, using vacuum tubes and a photo-electric cell to replace the horn and soundbox of the phonograph. Where the phonograph caught and reproduced, at best, only 50% of the frequencies (sound waves) given forth by an artist or orchestra, it is claimed the panatrope catches and reproduces 90%, eliminating extraneous noises of machinery. The panchord is a film-record, having sound waves fixed upon it photoelectrically, capable...
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