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Motion picture projector with step motion projection
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Feed means for optical display device and control system therefor
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Feed mechanism for optical displayer
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Intermittent film transport means for motion picture projector
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Improvements in or relating to self-threading motion picture machine
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Self-threading motion picture machine
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Panoramic motion picture camera
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Actuating mechanism for camera equipped with zoom lens
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Adjustable light baffle
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Motion picture film drive
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Potentiometer tandem assembly
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Resistor structure with adjustably positionable taps
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Camera fade-out indicator
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Photographic apparatus
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Air condenser
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Electric condenser
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CA883177A
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Intermittent film transport means for motion picture projector
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CA717294A
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Actuating mechanism for camera equipped with zoom lens
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CA740199A
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Self-threading motion picture camera
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