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GB571242A
|
|
Incandescent electric projection lamp with rectifier
|
|
GB518216A
|
|
Apparatus for regulating electric arcs
|
|
GB511622A
|
|
Improvements in projection apparatus for kinematograph sound and picture films
|
|
GB499630A
|
|
Improvements in or relating to film-feeding mechanism for sound reproducing apparatus
|
|
GB499629A
|
|
Improvements in or relating to film gates for cinematographic apparatus
|
|
DE735123C
|
|
Cinematographic display device
|
|
US2152624A
|
|
Intermittent film feed
|
|
GB491696A
|
|
Improved intermittent film-feeding device for cinematographic apparatus
|
|
US2151742A
|
|
Cinematographic projection apparatus
|
|
GB491695A
|
|
Cinematographic projection apparatus
|
|
US2205067A
|
|
Electric arc
|
|
GB496704A
|
|
Improvements in or relating to driving mechanisms of the spring and barrel type
|
|
DE678972C
|
|
Device for driving a device, in particular a cinematographic drive, by a spring force machine or by a hand crank
|
|
GB497651A
|
|
Improvements in and relating to kinematograph apparatus
|
|
US2205083A
|
|
Driving mechanism of the barrel type
|
|
GB479803A
|
|
Improvements in controlling devices for rotatable shafts used in view-taking cinematograph apparatus
|
|
US2114278A
|
|
Controlling device for rotatable shafts
|
|
GB477117A
|
|
Improvements in film magazines for cinematographic cameras
|
|
US2195268A
|
|
Film magazine for cinematographic cameras
|
|
US2160252A
|
|
Method and apparatus for the elimination of defects in sound tracks
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