Talk:Tonewheel

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Telharmonium

Latest comment: 5 years ago1 comment1 person in discussion

It looks like tonewheels were used in the Telharmonium that was invented in the 19th century, prior to the 1910 date claimed in this article. — Preceding unsigned comment added by 2A01:E35:8B10:A450:60D3:B913:3D06:9688 (talk) 14:34, 25 February 2019 (UTC)Reply