Assertion: german concertina | /r/CapableOf | pitch in bb/f
Facets:
value: at the time
type: TEMPORAL
Source sentences:
text: At the time, the 26-button Anglo-German concertina pitched in Bb/F was the Army’s workhorse, as attested by the many of the old Jones and Jeffries concertinas of that pitch that still come to market today, from time to time.