The 1922 Celluloid and Cinematograph Act contains provisions which are aimed at the prevention of fire in premises where raw celluloid or cinematograph film is stored or used. Silver nitrate film, which was in universal use until the 1950s and was still used in some parts of the world (notably the former USSR) until the 1970s, is highly inflammable and becomes unstable with age. The purpose of the legislation was to protect members of the public from fire risks.
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