The story
Introduced as a safe replacement for unstable and flammable nitrate film.
Etymology from Wiktionary, CC BY-SA 4.0.
safety film
Today it means: Cellulose acetate film, used as a base material for photographic emulsions. Full definition →
Today it means: Cellulose acetate film, used as a base material for photographic emulsions. Full definition →
Introduced as a safe replacement for unstable and flammable nitrate film.
Etymology from Wiktionary, CC BY-SA 4.0.