GB482829A
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Improvements in and relating to continuous feed motion picture cameras
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GB482828A
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Improvements in and relating to cinematograph apparatus
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GB467487A
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Improved lens system
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US2132003A
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Motion picture apparatus
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US1974423A
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Motion picture projector
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US2056966A
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Continuously moving film camera
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US2055492A
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Method of and apparatus for taking motion pictures
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US1928255A
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Apparatus for producing motion pictures
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CA352528A
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Motion picture projector
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CA370864A
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Motion picture taking apparatus
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CA361158A
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Lens system
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CA346550A
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Motion picture producing apparatus
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CA370865A
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Moving film camera
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