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Microfilm projector
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Crayon
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Photographic light controlling element
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Shutter structure for motion picture machines
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Web threading device
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Shutter and shutter adjustment for cameras
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Film gate structure for motion picture machines
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Flexible drive connection for web reeling apparatus
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Film loop control for motion picture machines
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Framing mechanism for motion picture machines
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Shutter for motion picture cameras
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Motion picture camera
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Telescope adjustment
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Binocular
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