|
GB549817A
|
|
Improvements relating to boilers, hot-water containers, and the like
|
|
DE733778C
|
|
Fully automatic cooling system
|
|
GB523993A
|
|
Improvements relating to rapid switching devices, particularly for electric switches and valves
|
|
GB521079A
|
|
Improvements in electric time switches
|
|
DE678737C
|
|
Thermostatically controlled injection valve for refrigeration systems
|
|
GB509908A
|
|
Improvements relating to electric boiling plates
|
|
GB489057A
|
|
Improvements in and relating to a thermostatic device for the regulation of dampers,valves or the like
|
|
GB482002A
|
|
Improvements relating to temperature responsive electric switches
|
|
GB465023A
|
|
Improvements in apparatus for maintaining constant a physical condition
|
|
GB460419A
|
|
Apparatus for automatically controlling a variable characteristic, such as temperature
|
|
GB459102A
|
|
Improvements relating to electrically controlled spring driven clocks
|
|
GB369933A
|
|
Improvements in and relating to electric time-switch mechanism
|
|
GB351287A
|
|
Transmission mechanism for low power electric motors
|
|
GB330873A
|
|
Improvements in and relating to power-actuated throttle valves
|
|
GB335450A
|
|
Improvements in and relating to power operated valves
|
|
GB294607A
|
|
Improvements relating to valves for the control of fluid under pressure
|
|
GB293425A
|
|
Improvements in and relating to time switch mechanism
|
|
GB234129A
|
|
Improvements relating to control devices for motor driven refrigerating machines
|
