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History of the manufacturer  

Spee-Dee Specialty Co., Inc.; New York City, New York

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Name: Spee-Dee Specialty Co., Inc.; New York City, New York    (USA)  
Abbreviation: speedee
Products: Model types
Summary:

The Spee-Dee Specialty Company Incorporated was located at 271 Canal Street, New York City, New York (Hercules).

Trade Name: Hercules

History:

This manufacturer was suggested by Alan Larsen.


Some models:
Country Year Name 1st Tube Notes
USA  22 Glass Enclosed Crystal Detector   Spee-Dee Specialty "Hercules" Glass Enclosed Crystal Detector. 
USA  22 Crystal Detector   Spee-Dee Specialty "Hercules" Crystal Detector. 

[rmxhdet-en]

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

Original company catalog (undated but likely circa 1922)tbn_usa_speedee_hercules_catalog_1.jpg

  

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