Patent Model - Improvement in Piano-Fortes
Maker and role
Daniel Stirn, Patentee
May 04 1869
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1 1/4 x 12 x 6 1/2" (3.2 x 30.5 x 16.5cm)
Stirn's patent consists of "a new form of sounding-board, and cast-iron frame, and a new arrangement of the sounding-board with relation to the cast-iron frame, the strings, and the supports and fastenings for the latter, are employed for the purpose of giving greater volume, purity, sweetness, and brilliancy to the tone." (Patent Number 89,806)
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