Clix Plug Designer (Organisation) British Mechanical Productions Manufacturer British Mechanical Productions Date 1937 - 1956 (circa)
Bayonet fitting light adaptor Designer (Person) Unknown Manufacturer Unknown Date 1920 - 1959 (circa)
Military cockpit dimmer switch Designer (Person) Unknown Manufacturer Unknown Date 1930 - 1950 (circa)
Switch component Designer (Organisation) Ward and Goldstone Manufacturer Ward and Goldstone Date 1920 - 1960 (circa)