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Modern method og grand pianoforte case construction

Modern method og grand pianoforte case construction.png Grand pianoforte action with metallic action and damper framesMiniaturesItalian SpinetGrand pianoforte action with metallic action and damper framesMiniaturesItalian SpinetGrand pianoforte action with metallic action and damper framesMiniaturesItalian SpinetGrand pianoforte action with metallic action and damper framesMiniaturesItalian SpinetGrand pianoforte action with metallic action and damper framesMiniaturesItalian SpinetGrand pianoforte action with metallic action and damper framesMiniaturesItalian Spinet

A. Continuous bent rim.
B. Wooden struts.
C. Iron shoe holding struts and connecting with iron plate.
D. Main beam.