Assertion: disc | /r/MadeOf | shellac
Facets:
value: commonly
type: DEGREE
Source sentences:
text: At first, the discs were commonly made from shellac; starting in the 1940s polyvinyl chloride became common, hence the name vinyl.
text: Discs were made of shellac or similar brittle plastic-like materials, played with needles made from a variety of materials including mild steel, thorn, and even sapphire.
text: At first, the discs were commonly made from shellac; starting in the 1940s polyvinyl chloride became common, hence the name vinyl.