Film-Feed Mechanisms in Narrow-Film Projectors
The need for high scales of enlargement in narrow-film projection requires high-precision film-feed mechanisms. This paper discusses the systems used in Siemens projectors, which now permit even reverse projection.
- Print ISSN
- 0361-4573
- Published
- 1964-02
- Content type
- Original Research
- DOI
- 10.5594/J06122
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