Cellulose acetate film

Cellulose acetate film, or safety film, is used in photography as a base material for photographic emulsions. It was introduced in the early 20th century by film manufacturers and intended as a safe film base replacement for unstable and highly flammable nitrate film.

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Source: Wikipedia · Image: Wikimedia Commons · CC BY-SA 3.0

PLATEANDFILM

The old ways of the image — ambrotype, tintype, and film-photography heritage.

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