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ID = 36866
Great Britain (UK)
Brand: Hivac Ltd.; Harrow-on-the-Hill
Tube type:  Oscilloscope CRT, picture tube 
Identical to CR3
First Source (s)
1938 : - - Manufacturers Literature

Base British-7-Pin, old (M7A)
Description 3 inch E.S. CRT. Green screen.
Two of the deflector plates connected to third anode.
Price 2.1 GBP in 1938. 

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