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US2743788A
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Automatic lubricating systems for shafts
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US2704395A
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Method of manufacturing drive units for intermittent movements
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GB689500A
|
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Improvements in or relating to motion picture projectors
|
|
GB719454A
|
|
Improvements in or relating to mechanisms and their lubricating systems
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|
GB719491A
|
|
Improvements in or relating to lubricating systems
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|
GB690999A
|
|
Improvements in or relating to motion picture projectors
|
|
GB677298A
|
|
Improvements in or relating to film feed mechanism for motion picture projectors
|
|
US2686067A
|
|
Concealed swivel joint
|
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US2689021A
|
|
Projector oil distribution system
|
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US2630738A
|
|
Motion-picture machine shutter adjustment
|
|
US2642246A
|
|
Adjustable support stand
|
|
US2627381A
|
|
Winding take-up mechanism
|
|
US2588201A
|
|
Viewing telescope for image projectors
|
|
US2532692A
|
|
Means to support portable loud-speakers
|
|
US2614872A
|
|
Sprocket fastening means
|
|
US2607261A
|
|
Motion-picture projector with framing indicator
|
|
US2638366A
|
|
Sprocket fastening means
|
|
US2665007A
|
|
Mounting for centrifugal machines
|
|
US2558248A
|
|
Means for adjusting the sound and picture heads of motion-picture projecting machines
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US2607236A
|
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Geneva gearing
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