Assertion: negative | /r/HasProperty | made on thin sheet of glass
Facets:
value: commonly
type: TEMPORAL
Source sentences:
text: Negatives were once commonly made on a thin sheet of glass rather than a plastic film, and some of the earliest negatives were made on paper.
text: Negatives were once commonly made on a thin sheet of glass rather than a plastic film, and some of the earliest negatives were made on paper.