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History of the manufacturer  

Carborundum Company, Niagara Falls

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Name: Carborundum Company, Niagara Falls    (USA)  
Abbreviation: carborund
Products: Model types
Summary:

The Carborundum Company, Niagara Falls, N.Y.;also Chicago; Boston; Philadelphia; Cleveland; Detroit; Cincinnati; Pittsburgh; Milwaukee; Grand Rapids.

There is a British subsidiary Carborundum Company Ltd.; Manchester.

History:

This manufacturer was suggested by Konrad Birkner † 12.08.2014.


Some models:
Country Year Name 1st Tube Notes
USA  26 Stabilizing Detector Unit No.32   Uses the No.30 Carborundum Detector. See also the similar British version. 
USA  25 Detector No.30 [fixed]   Used with the Stabilizing Detector Unit. There is also an adjustable No.30. 
USA  26 Detector No.30 improved [adjustable]   Used with the Stabilizing Detector Unit. There is also the fixed No.30. 

[rmxhdet-en]

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

D6 Advert ~1927tbn_us_carborundum_co_advert_d6.jpg

  

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