Assertion: kettle | /r/HasProperty | hand-tuned
Facets:
value: until the late 19th century
type: TEMPORAL
Source sentences:
text: Until the late 19th century, timpani were hand-tuned; that is, there was a sequence of screws with T-shaped handles, called taps, which altered the tension in the head when turned by players.
text: Until the late 19th century, timpani were hand-tuned; that is, there was a sequence of screws with T-shaped handles, called taps, which altered the tension in the head when turned by players.