Assertion: clarinet's instrument | /r/HasProperty | built in early 19th century
Facets:
value: later on
type: TEMPORAL
value: by the streicher firm
type: OTHER
Source sentences:
text: Later on in the early 19th century, more robust instruments with greater range were built in Vienna, by (for example) the Streicher firm, which continued through two more generations of Streichers.