Assertion: harpsichord's manual | /r/HasAspect | two sets of keys
Facets:
value: like stops
type: OTHER
value: like a modern organ
type: OTHER
Source sentences:
text: Instruments called double manuals that had two sets of keys like a modern organ and stops, also like an organ, were known at about the same time.
text: Instruments called double manuals that had two sets of keys like a modern organ and stops, also like an organ, were known at about the same time.