|
GB523210A
|
|
Improvements in or relating to arrangements for increasing the range of regulation of carbon column resistance regulators
|
|
GB509675A
|
|
Improvements in or relating to arrangements for the sparkless opening of inductive direct current circuits by means of thermostats
|
|
GB508821A
|
|
Improvements in or relating to apparatus for regulating the gas or vapour pressure in electron-discharge vessels
|
|
GB500996A
|
|
Improvements in or relating to apparatus for mechanically and electrically connecting conductors carrying high frequency currents
|
|
GB492577A
|
|
Improvements in or relating to the production of moulded ceramic bodies, ceramic coatings and the like
|
|
GB492576A
|
|
Improvements in or relating to the production of moulded ceramic bodies, ceramic coatings and the like
|
|
GB508542A
|
|
Improvements in or relating to joints between metal parts and ceramic bodies
|
|
GB492082A
|
|
Improvements in gas-meters
|
|
GB496431A
|
|
Improvements relating to the removal of carbonic acid from gas by washing
|
|
GB488405A
|
|
Improvements in or relating to anti-knocking agents for motor fuels
|
|
GB489263A
|
|
Improvements in or relating to motor-fuel
|
|
GB494457A
|
|
Improvements in lamps
|
|
GB490107A
|
|
Improvements in and pertaining to the distillation of pulverulent fuel
|
|
GB507473A
|
|
Improvements in or relating to coupling devices for use in the production, amplification or reception of ultra-short waves
|
|
GB492922A
|
|
Improvements in projectors for cinematograph picture-sound films
|
|
GB491342A
|
|
Improvements in kinematographic apparatus
|
|
GB496974A
|
|
Improvements in or relating to apparatus for feeding endless films
|
|
GB494916A
|
|
Improvements in or relating to motor-vehicle light projector apparatus
|
|
GB479266A
|
|
Improvements in flash-light apparatus
|
|
GB497713A
|
|
Arrangement and method for the photographic production of sound films
|
