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History of the manufacturer  

Hamburg Brothers; Pittsburgh, Pennsylvania

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Name: Hamburg Brothers; Pittsburgh, Pennsylvania    (USA)  
Brand:
Pennsylvania (Trade name)
Abbreviation: hamburg
Products: Model types
Summary:

In the November 1924 edition of The Radio Trade Directory on page 72, under manufacturers of crystal sets, the Hamburg Brothers Company was located at 619 Grant Street in Pittsburgh, Pennsylvania. By the time of the November 1925 edition of The Radio Trade Directory on page 119, under manufacturers of crystal sets, the Hamburg Brothers Company had a new address of 420-422 Seventh Avenue in Pittsburgh, Pennsylvania.

Trade name "Pennsylvania"

History:
.


Some models:
Country Year Name 1st Tube Notes
USA  24 Pennsylvania UV201A  Hamburg Brothers "Pennsylvania" 5-Tube TRF Receiver. 
USA  25 Pennsylvania Type G   Horn speaker. Adjustable unit. 
USA  25 Pennsylvania Type A   Horn speaker. Non adjustable unit. 
USA  25 Pennsylvania Type AA   Horn speaker. Adjustable unit. 
USA  25 Pennsylvania Mantlepiece Speaker   Table model speaker. 
USA  25 Pennsylvania Type E-25    
USA  25 Pennsylvania Type B-20   "Harmonized Head-Set" 
USA  24 Pennsylvania Type B    
USA  26 Pennsylvania Jr. No. 2    
USA  25 Pennsylvania No. 2 [new]    
USA  24 Pennsylvania No. 2 [old]    
USA  26 Pennsylvania Jr. No. 1    

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

November 1924 The Radio Trade Directory page 42tbn_usa_hamburgbros_ad_nov1924_radiotradedirectory_page_42.jpg

  
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