Improvements in or relating to electric protective relays
GB393116A
Improvements in or relating to electric automatic circuit breakers
GB335971A
Improvements in or relating to electrical measuring and protective apparatus for alternating current circuits
GB324056A
Improvements in or relating to electric time selective relays and time selective control devices
GB321686A
Improvements in or relating to electric relays of the time selective type
GB276080A
Improvements in or relating to electrical measuring instruments, relays and protective apparatus of the induction type
GB190823118A
An Improved Automatic Switch for Electric Batteries.
GB190722850A
Improvements in Electrical Indicating Thermometers.
GB190705865A
Improvements in or connected with Means for Automatically Breaking an Electric Circuit in the Event of a Leakage to Earth or giving an Indication of said Leakage.
GB190607811A
Improvements in or connected with Means for Ascertaining the Predetermined Speed of a Revolving Part more especially applicable to Electrical Measuring or Testing Apparatus.
GB190505447A
Improvements in or connected with Electrical Measuring Instruments of the Wattmeter Class
GB190505073A
Improvements in or connected with Means for Automatically Breaking an Electric Circuit in the Event of a Leakage to Earth.
GB190412373A
A New or Improved Electrical Maximum Demand Indicator.
GB190219652A
Improvements in or connected with Ammeters and Voltmeters
GB190208643A
Improvements in or connected with Means for Damping the Oscillations of Shafts carrying the Hands or Pointers of Electrical Measuring Instruments or the like.
