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Expired
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Macarius Maximilian Kastner
Conrad Katz
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Individual
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Individual
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Publication of GB191113820ApublicationCriticalpatent/GB191113820A/en
13,820. Kastner, M. M., and Katz, C. Feb. 8. Player-pianos; treadle devices; winding-mechanism.-In an automatic horizontal piano, the lyre 8, which is in the form of a box or cabinet, is adapted to contain the winding - motor 14 and also the treadle mechanism. The treadles 10 are shown by dotted lines in position to operate the bellows through large bell-crank levers 11. The lyre is provided with one or more hinged or sliding doors to admit the treadles, as they are folded up to the position shown by full lines. The usual piano pedals 12 are also provided.
GB191113820D1911-02-081911-02-08Improvements in and relating to Mechanically Operated Pianos.
ExpiredGB191113820A
(en)