Assertion: record player's stylus | /r/HasProperty | typically 0.001 inch
Facets:
Source sentences:
text: Both types of new disc used narrower grooves, intended to be played with a smaller stylus—typically 0.001 inch (1 mil, or about 25 µm) wide, compared to 0.003 inch (76 µm) for a 78—so the new records were sometimes described as microgroove.