Assertion: saxophone | /r/CapableOf | show his saxophones
Facets:
value: in 1844
type: TEMPORAL
value: at the paris industrial exhibition
type: LOCATION
Source sentences:
text: And after Sax showed his saxophones at the Paris Industrial Exhibition in 1844, he had to contend with accusations from a German military bandleader named Wieprecht that a pair of German inventors had actually been the first builders to devise both the saxophone and Sax's bass clarinet.