Assertion: concertina's number | /r/CapableOf | continue through the 1860s
Facets:
value: in glasgow
type: LOCATION
value: in new york
type: LOCATION
value: in boston.39
type: LOCATION
value: in london
type: LOCATION
Source sentences:
text: As usage of the German concertina expanded, not only in Ireland but in England, Scotland and the US, a number of tutors for this instrument appeared, starting in 1844 and continuing through the 1860s in London, Glasgow, New York and Boston.39