Elimination of the Fire Hazard of Projectors Using Nitrate Film
An automatic safety sprocket is described, together with adapters to fit all types of 35-mm projectors. The conditions which cause the safety sprocket to operate to prevent a fire are discussed as well as a detailed analysis of how fires can be prevented in projectors.
- Print ISSN
- 0097-5834
- Published
- 1948-02
- Content type
- Original Research
- DOI
- 10.5594/J12633
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