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Telharmonium [Dynamophone]locked

  • Reynold Weidenaar


An electromechanical keyboard instrument developed in Washington, DC, and Holyoke, Massachusetts, between 1894 and 1911 by Thaddeus Cahill (b Mount Zion, IA, 18 June 1867; d New York, 12 April 1934). Three instruments were completed, none of which fully embodied the construction specifications contained in Cahill’s five American patents. Cahill applied for a patent in ...

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Musical Quarterly