|
GB671674A
|
|
Improvements in mountings for aerial survey cameras
|
|
GB654756A
|
|
Improvements in electric motor control systems
|
|
GB646683A
|
|
Improvements in pivotal bearings
|
|
GB660628A
|
|
Improvements in and relating to stereo-photogrammetric apparatus
|
|
GB660589A
|
|
Improvements in and relating to stereo-photogrammetric apparatus
|
|
GB638102A
|
|
Optical projection apparatus
|
|
GB630941A
|
|
Driving mechanism
|
|
GB637439A
|
|
Improvements in or relating to photographic recording devices
|
|
GB620571A
|
|
Improvements in photographic shutters
|
|
GB620572A
|
|
Improvements in photographic objective lens mounts
|
|
GB622816A
|
|
Improvements in and relating to lens mountings for cameras and other apparatus
|
|
GB654233A
|
|
Improvements in electrically-operated photographic roll film cameras
|
|
US2450323A
|
|
Delay action control switch
|
|
GB654232A
|
|
Improvements in shutter actuation in photographic cameras
|
|
GB577430A
|
|
Improvements in or relating to web processing apparatus
|
|
GB599250A
|
|
Improvements in delay action control devices incorporating electric switches
|
|
GB606102A
|
|
Improvements in and relating to the electrical measurement and control of the moisture content of photographic films and papers
|
|
GB555579A
|
|
Improvements in or relating to colour filters
|
|
GB516185A
|
|
Improvements in and relating to the adjustment of aircraft cameras
|
|
GB516699A
|
|
Improvements in and relating to shutters
|
