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date: 13 November 2019

Radio Organ of a Trillion Toneslocked

  • Hugh Davies

Extract

Photoelectric keyboard instrument resembling an electronic organ. It was developed by the Italian-born electrical engineer Arnold Lesti (1906–97) about 1930, probably in Hollywood, California. The sound was generated by means of revolving photoelectric tone-wheels interrupting a light beam. This principle was later expanded in the Polytone (1934...

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