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History of the manufacturer  

Karas Electric Co.; Chicago (IL)

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Name: Karas Electric Co.; Chicago (IL)    (USA)  
Abbreviation: karas
Products: Model types Others

Karas Electric Co., 4033-J North Rockwell Street, Chicago, IL. Known as manufacturer of telegraph equipment; radio parts like audio transformers sold under the "Karas Harmonik" label in the 1920ies.


This manufacturer was suggested by Wolfgang Scheida.

Some models:
Country Year Name 1st Tube Notes
USA  27 2 Dial Equamatic UX201A   
USA  28 A-C-Former   Transformer, supplies 1.5 volts; 2.5 volts; 5 volts A.C. 
USA  25 Harmonik AF Transformer   Karas Harmonik Audio Transformer. 
USA  25 Variable Condenser   Variable Condenser: 23 plate, .0005 Mfd., $7.00 17 plate, .00037 Mfd., $6.75 ... 
USA  26 Karas Equamatic Five Tube Receiver UX201A  Manufactured and distributed by Karas Electric Company.   Ad References: ... 


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

November 1927 Popular Mechanics magazinetbn_usa_karas_nov1927popmech.jpg
Radio News for March, 1928; page 1087tbn_usa_karas_advert_rn_1928_1087.jpg
Radio Broadcast, Nov. 1925, p. 13tbn_usa_karas.jpg
Radio Broadcast, Dec. 1925, p. 237tbn_usa_karas~~1.jpg