Assertion: sounding board | /r/CapableOf | terminate along lower edge of the pin block
Facets:
Source sentences:
text: The above is substantially the usual construction of the ordinary piano, but instead of the sounding board terminating along the lower edge of the pin block, it extends upwardly adjacent to the uppermost edge of the piano casing and is substantially spaced from the pin block by the spacing blocks 26 which are in turn well spaced from each other, as shown in Fig. 3.