Improvements in or relating to rotation responsive devices
GB1009021A
Improvements in or relating to rotation responsive devices
GB947310A
Improvements in or relating to rotation responsive devices
GB861436A
Improvements in and relating to devices responsive to angular movements
US2947809A
Magnetic picture recording
US2084201A
Light relay
GB374391A
Improvements in television apparatus
GB355754A
Improvements in mechanical resonators for the filtration of electromagnetic wave frequencies
GB313524A
Improvements in synchronous electric motor systems
GB288177A
Improvements in or relating to the transmission of pictures using intermediate record media of steel carrying means magnetised on the poulsen telegraphone principle
GB282694A
Improvements in and relating to mechanical oscillators
GB264816A
Improvements in or relating to the synchronisation of carrierwave signalling systems
GB235857A
Improvements in or relating to the instantaneous electrical control of a beam of light
