Assertion: sounding board | /r/CapableOf | mount within the case
Facets:
value: in a piano
type: LOCATION
Source sentences:
text: In a piano comprising a case, a sounding board mounted within the case and spaced therefrom, a string frame within the case and spaced from the board, said board being free from both the case and the frame, a bridge structure seating upon the sounding board, and strings strung upon the frame and bearing upon said bridge structure.