Assertion: clavichord | /r/HasProperty | the first
Facets:
value: in order of time
type: OTHER
value: of a series of keyed instruments
type: OTHER
Source sentences:
text: Writers on this subject have followed each other in assuming a gradual progress, and stating that either the clavichord or the clavicytherium was the first, in order of time, of a series of keyed instruments that included the virginal and spinet, and culminated in the clavicembalo or wing-shaped harpsichord.