|
US2678273A
|
|
Photographic light balancing method
|
|
US2558244A
|
|
Apparatus for manufacturing screens
|
|
US2558243A
|
|
Light transmission screen and method of manufacture
|
|
US2498895A
|
|
Projection film viewer and reproducing system
|
|
US2402100A
|
|
Film slating system
|
|
US2310339A
|
|
Drive system for process photography
|
|
US2290918A
|
|
Drive for film printers
|
|
US2290919A
|
|
Film printer drive
|
|
GB533134A
|
|
Improvements in or relating to apparatus for making film records
|
|
GB531604A
|
|
Improvements in or relating to electrode feeding mechanism for electric arc apparatus
|
|
US2265097A
|
|
Sound level control system
|
|
US2239532A
|
|
Film tempo punch
|
|
US2235505A
|
|
Microphone support
|
|
US2207823A
|
|
Microphone umbrella
|
|
US2195750A
|
|
Photography
|
|
US2077081A
|
|
Film treating apparatus
|
|
US2079849A
|
|
Film developing machine
|
|
US2164653A
|
|
Apparatus for treating cinematographic film
|
|
US2094285A
|
|
Support and adjustment for view finders
|
|
US2005014A
|
|
Focusing device for a motion picture camera
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