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History of the manufacturer  

Microtube; Chicago

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Name: Microtube; Chicago    (USA)  
Abbreviation: microtube
Products: Tube manufacturer
Summary:

Microtube; Chicago, IL USA.

Microtube sold a kit of three tubes by mail order. These were advertised as being ideal for building portable radios. Zenith bought the company about 1945.

Founded: 1939
Closed: 1945
Production: 1939 -
History:

This manufacturer was suggested by Alan Scott Douglas † 16.11.15.


[rmxhdet-en]

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

tbn_usa_microtubes.jpg
tbn_usa_microtubes_closeup.jpg

  

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