Assertion: metronome | /r/HasProperty | old
Facets:
Source sentences:
text: Metronomes are centuries old, dating back to composers such as Beethoven and Mozart.
text: Metronomes are an old invention that is still regularly used today by musicians of all skill levels.
text: This metronome is old but has been little used and was bought new by me sometime in the early 80s as far as I can remember( it is just possible that I may still have the original box in storage ~ if found before auction end it will of course be included.