Through a meeting of Electrotecnicians in 1920, he introduced the Termenvoksa or Heterophone, or Theremin, as it was termed internationally. All those within the convention noticed a little box with two antennae, 1 on the right and a single within the remaining. Could it be a brand new kind of https://drumhandling08193.blog5.net/86408381/a-review-of-mezzanine-gate