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Audion_replica_2

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ID = 85859
       
Country:
Worldwide
Brand: Unknown to us - Worldwide
Tube type:  Triode, vacuum 
Identical to Audion_replica_2

Base Edison big E27 = 27 mm Side contacts.
Was used by Radio/TV-reception etc.
Filament Direct
Description

This tube is a very poorly made replica of the de Forest Audion of 1908. This tube was on display (with a small collection of other tubes) in the offices of Amalgamated Wireless Australia, York St, Sydney, for many years. Date and country of manufacture are unknown. The tube has an E27 (ES) base. It is mounted in a porcelain socket. The tube and the others were illustated in a pamphlet entitled " The Receiving Valve Story" The pamphlet was reprinted at least 3 times over the years. it was written by J. Mcdonald, (Production Engineer, AWV.

 
Information source - - Manufacturers Literature   Undated pamphlet


Just Qvigstad
 
de_forest_audion_replica._unknown_details..jpg

 

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