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Lamp for projecting apparatus
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DE414704C
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Coupling between drive and switching mechanism of cinema sets
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A new and improved driving mechanism for motion picture machines
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Driving mechanism for motion-picture machines
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Radially-opening fire shutter
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Film-measuring attachment for motion-picture machines
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Adjustable shutter
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Automatic fire shutter for moving-picture machines
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Tension regulator for driving belts
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Lamp for projecting apparatus
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Framing light for moving-picture machines
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Lamp support
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Adjustable lamp house
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Framing mechanism for motion-picture machines
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Framing mechanism for motion-picture machines
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Film guide for motion-picture machines
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Safety shutter for moving-picture machines
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Framing mechanism for motion-picture machines
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Framing mechanism for moving-picture machines
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Framing mechanism for motion-picture machines
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