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Jonathan Soden
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Individual
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Individual
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4703. Soden, J. Feb. 25. Pianofortes.- A bridge A is glued to the back of the sounding-board B under the pin bridge, and a resonating m e t a l plate C is screwed to it and held in position on the sounding-board by clips D.
GB189804703D1898-02-251898-02-25Improvements in the Resonating Devices of Pianofortes.
ExpiredGB189804703A
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