GWI Limited

occupation:
Manufacturer
Nationality:
British

G.W.I. Ltd. Imperial Works, Shanklin Rd., Crouch End, London N8.

G.W.I. Ltd. produced only two types of valves. Both of unusual construction: plateless, since the silver coated inner glass surface acted as anode.

Ref.: Keith Thrower, British Radio Valves, pp.4 and 32.