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History of the manufacturer  

Duval Tube Co. / Duval Radio Corp.; (where?)

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Name: Duval Tube Co. / Duval Radio Corp.; (where?)    (USA)  
Abbreviation: duval
Products: Model types Tube manufacturer
Summary:

Duval Tube Co. - Duval Radio Corp.
(where?)

The Duval Tube Co. is listed in Radio Engineering July, 1929, p.76, as tube manufacturer, while Radio Broadcast's "The Radio Dealer's Note Book" section in the July 1929 issue on p.150 names them Duval Radio Corp.

A type DX201A tube exists.

History:

This manufacturer was suggested by Fin Stewart.


Some models:
Country Year Name 1st Tube Notes
USA  27 Ship speaker [Round]   Cast metal speaker with reed driver and paper cone, featuring a square-rigged caravel-styl... 
USA  27 Ship speaker [Octagonal]   Cast metal speaker with reed driver and paper cone, featuring a square-rigged caravel-styl... 
USA  27 Airplane speaker   Cast metal speaker with reed driver and paper cone, featuring an airplane design in the gr... 

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