Physical description

Four position double pole switch. Spring has magnetic qualities (Ferrous). Machined. Surface finish: not.

Inscriptions & markings

[Stamped] on upper face of base: W.G. PYE & COLTD./ ENGLAND/ CAMBRIDGE. Random letters appear to be painted onto the upper face of the base in black ink (?): T2A/R/T/T2B (?) PI appears to be drawn on the upper face of the base in black ink (?) partially over painted with whiteout (?)