Thermal time switch for controlling electric heating apparatus for buildings
GB400287A
Improvements in thermostats
GB337093A
Improvements in thermostats
GB307135A
Improvements in thermostats
GB268645A
Improvements in and connected with electrical control apparatus
GB256546A
Improvements in and connected with electrical control apparatus
GB247310A
Improvements in and connected with temperature control valves
GB254821A
Improvements in and connected with electrical control apparatus
US1646548A
Temperature control valve
GB217518A
Improvements in and connected with incubators
GB218917A
Improvements in and connected with steam valves
GB228597A
Improvements in and connected with temperature control valves
GB226249A
An automatic regulator for electric, steam or hot water radiators, the same being also applicable for gas heating, fire alarm devices, refrigerating control and other temperature control uses
GB213792A
An automatic regulator for electric, steam or hot water radiators, the same being also applicable for gas heating, fire alarm devices, refrigerating control and other temperature control
GB214451A
Improvements in electrically actuated piston gas valves
GB200124A
An automatic regulator for electric, steam or hot water radiators, the same being also applicable for gas heating, fire alarm devices, refrigerating control and other temperature control uses
US1487072A
Automatic thermometric regulator
GB191515A
An automatic regulator for electric, steam or hot water radiators, the same being also applicable for gas heating fire alarm devices, refrigerating control and other temperature control uses