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History of the manufacturer  

Calvert Specialty Co.,Inc.; Philadelphia, Pennsylvania

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Name: Calvert Specialty Co.,Inc.; Philadelphia, Pennsylvania    (USA)  
Abbreviation: calvertspe
Products: Model types
Summary:

In the November 1924 issue of The Radio Trade Directory, an advertisement on page 58 had the Calvert Specialty Company Inc. located at 1312 Callowhill Street in Philadelphia, Pennsylvania.

Trade Name: Calvert

History:

This manufacturer was suggested by Alan Larsen.


Some models:
Country Year Name 1st Tube Notes
USA  24 Calvert Loop    

[rmxhdet-en]

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

Fall 1924 Citizens Radio Call Book page 156tbn_usa_calvert_specialty_1924_citizens_radio_call_book_156.jpg

  
rmXorg