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Expired
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Ernst Friedrich Gruss
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Individual
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Individual
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Publication of GB190629370ApublicationCriticalpatent/GB190629370A/en
29,370. Gruss, E. F. Dec. 24. Pianofortes.- The soundboard a is arranged separately from the wrest-plank, is provided with a broad rib-like frame e c along its edges, and is secured by screws e passing through the iron frame d into the frame c. The back is dispensed with. According to the Provisional Specification, the soundboard is strengthened and the corners are damped by laths glued across the upper corner. [Reference has been directed under Patents Act, 1902, to Specifications No. 143, A.D. 1880, and No. 25,362, A.D. 1898.]
GB190629370D1906-12-241906-12-24Improvements in and relating to Pianos
ExpiredGB190629370A
(en)