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  • Laurence Libin


Keyed zither invented by the brothers Leander F. and David P. Boyd and manufactured by their Symphony Manufacturing Co. (later the Toledo Symphony Co.) in Toledo, Ohio, from 1903 to 1908. The mechanism was patented in 1903 and in an improved version in 1907. L.F. Boyd had previously patented (...

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Journal of the American Musical Instrument Society