Improvements in and relating to electric switches and the like and driving arrangements therefor for automatic telephone and other remote control systems
GB293737A
Improvements relating to automatic telephone and other remote control systems and switching apparatus therefor
GB295409A
Improvements in line-finder arrangements for automatic telephone exchanges and other remote control systems
GB295214A
Improvements in electric switching apparatus suitable for automatic telephone and other remote controlled systems
GB291487A
Circuit arrangements for selectors for remote control systems, telephone systems and the like
GB289287A
Improvements in electromechanically controlled switches for automatic telephone exchanges and the like
GB289296A
Improvements in remotely controlled line selecting or telephone systems
GB290859A
Improvements in electromechanically controlled switches and switching systems for use in automatic telephone exchanges and other remotely controlled systems
GB283310A
Improved starting circuit for the line-finders of automatic telephone exchanges
GB283252A
Improvements in electromechanically controlled telephone systems and switching apparatus therefor
GB274143A
Improvements in electromechanically controlled switches and remote control signalling and telephone systems
GB270055A
Automatic telephone system
GB254373A
Improvements in electromechanically controlled systems and switching apparatus therefor
US1624202A
Electrical switch
GB228173A
Improvements in electro-mechanical telephone systems
GB227792A
Improvements in selectors and telephone systems operating with selectors
GB232707A
Improvements in and relating to motor cycles
GB228825A
Bank contact arrangements for telephone systems
GB228831A
Shaft setting arrangement, particularly for electric switches and more particularly for electro-mechanical telephone systems
