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History of the manufacturer  

Brown S. G. Ltd.; London

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Name: Brown S. G. Ltd.; London    (GB)  
Abbreviation: brown
Summary:

S.G. Brown Ltd., Victoria Rd., North Acton, London W3.

History:


Some models:
Country Year Name 1st Tube Notes
GB  24 H 1 [new improved curved horn]   Aluminium horn, wooden base, impedance 120 or 2000 or 4000 ohms, Brown reed driver, alu... 
GB  23–25 Microphone Amplifier Type C   To drive several pairs of headphones from a Crystal receiver; Mechanical amplifier: Magnet... 
GB  25 Q   Mahogany flare and polished aluminium horn, mounted by a model of a bluebird. Impedance 40... 
GB  25–27 Disc 1   Electromagnetic speaker. Ø 15 inch, height: 19 inch. 
GB  25 H4   Hauteur: 25.5 cm. In "Le Guide du Coll.Biraud/Foster 2" Jahrgang 1926. HP électromagnétiqu... 
GB  25 H3   HP électromagnétique. 
GB  23 Microphone Amplifier Type V   to drive a loudspeaker from a 1-valve rec.; Mechanical amplifier: Magnet system driving... 
GB  23 Junior Wireless Set [early]    
GB  23 Ideal Wireless Set    
GB  27 Junior Wireless Set [late]   uses the mechan.1-stage Microphone Amplifier. Provision for LW coil. 
GB  27/28 Horn Speaker Type E1 Standard   Square cast metal base on four feet. Horn type HQ, new base. The name in "Le Guide du ... 
GB  25 HQ   Round wooden base. 

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

tbn_radiosfeber06052.jpg
tbn_publicidabrown.jpg
tbn_publicidabrown2.jpg
tbn_brown.jpg
Thanks for Első Zalai Rádiómúzeum Alapítvány, First Zala County Radio Museum Foundation Hungary (radio-muzeum.hu).tbn_gb_brown_logos.jpg
Thanks for technical assistance Első Zalai Rádiómúzeum Alapítvány ( radio-muzeum.hu), First Zala County Radio Museum Foundation, Hungary, Zalaegerszeg.tbn_gb_brown_powerp_37_logo_1926.jpg
tbn_gb_brown_advertise_1922.jpg
tbn_gb_brown_advertise_1923.jpg
Sidney George Brown, F.R.S. Engineer, Inventor, founder of S. G. Brown, Limited by Ian L. Sanders.tbn_gb_sg_brown_ian_l_sanders.jpg

  
rmXorg