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History of the manufacturer  

Durham & Co., Inc.; Philadelphia; PA

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Name: Durham & Co., Inc.; Philadelphia; PA    (USA)  
Abbreviation: durhamco
Products: Model types
Summary:

Durham & Co., Inc.; 1936 Market St., Philadelphia; PA.
Manufacturer of variable grid leaks.
Adv. in Radio Broadcast, Feb. 1926.
Mentioned in "The Radio Trade Directory" Aug.1925, p.64,65.

History:

This manufacturer was suggested by Hans-Joachim Korn † 16.11.15.


Some models:
Country Year Name 1st Tube Notes
USA  26 Variable Grid Leak   Variable Grid Leak.   
USA  22 Detector Two-Stage Audio Amplifier UV200  Vacuum tube detector and two-stage Audio frequency in a mahogany finished cabinet. 
USA  22 Portable Receiving Set UV201  Vacuum tube detector set with one-stage of Radio frequency and two-stage Audio frequenc... 

[rmxhdet-en]

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

Radio Broadcast, Feb. 1926, p. 516tbn_usa_durham.jpg
June, 1922 Electrical Merchandising magazine page 188tbn_usa_durham_june1922_electrical_merchandising_page_188.jpg

  

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