Assertion: harpsichord's keyboard | /r/HasProperty | heavy piano-type construction
Facets:
Source sentences:
text: In addition, the soundboard was plywood as well; the keyboard was of heavy piano-type construction; the jacks rested on adjustable endpins rather than directly on the keys; the plectra could be moved toward or away from the string by an adjustment screw; and the strings were made of modern instrument wire rather than the softer wire of historical times.