Art Deco style switched socket Designer (Organisation) Crabtree Electrical Manufacturer Crabtree Electrical Date 1930 - 1939 (circa)
Contactum 3-pin switched socket Designer (Organisation) Contactum Manufacturer Contactum Date 1937 - 1939 (circa)
Crabtree light switch Designer (Organisation) Crabtree Electrical Manufacturer Crabtree Electrical Date 1928 (circa)
A Crabtree No.4 light switch Designer (Organisation) Crabtree Electrical Manufacturer Crabtree Electrical Date 1935 - 1945 (circa)
Crabtree Lincoln light switch Designer (Person) Unknown Manufacturer Crabtree Electrical Date 1928 - 1939 (circa)