Assertion: new vibraphone | /r/CapableOf | make 25 of them
Facets:
value: a year
type: TEMPORAL
Source sentences:
text: After it was introduced in 1921, the new vibraphone proved popular with the public, especially after it was heard on a few novelty records, but they still only made 25 of them a year, which may be why the Chicago-based J.C. Deagen Company soon jumped into the market with a slightly improved design, branding their new version as the vibraharp.