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History of the manufacturer  

GWI Ltd.; London

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Name: GWI Ltd.; London    (GB)  
Abbreviation: gwi
Products: Tube manufacturer

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.

Production: 1924 -

This manufacturer was suggested by Konrad Birkner † 12.08.2014.


Further details for this manufacturer by the members (rmfiorg):

Wireless World November 1923tbn_gwi_ltd_ww1123.png


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