Assertion: modern harpsichord | /r/HasAspect | delrin
Facets:
Source sentences:
text: Historically, plectra were made of bird quill or leather; many modern harpsichords have plastic (delrin or celcon) plectra.
text: Historically, plectra were made of bird quill or leather; many modern harpsichords have plastic (delrin or celcon) plectra.