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History of the manufacturer  

Sangamo Electric Co.; Springfield (IL)

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Name: Sangamo Electric Co.; Springfield (IL)    (USA)  
Abbreviation: sangamo
Summary:

Sangamo Electric Corporation, Springfield (IL).
Manufacturer of electric meters, electronic components (mica capacitors) and radios.

Founded: 1899
History:
Sangamo Electric Corporation was founded in 1899 by Jacob Bunn (1864-1926), Henry Bunn, Ludwig Gutmann and co-founder Robert Carr Lanphier (1878-I939).
Sangamo started with manufacturing of electric meters, later of electronic components (mica capacitors), and aircraft receivers to be used in WWI.


Some models:
Country Year Name 1st Tube Notes
USA  30 Portable Watthour Meter Type F   Elmenco fused plug. 
USA  26 Mica Condenser   Various capacities from 0.00004 to 0,0015 microfarads. Prices from $0.40 to $1.25. ... 
USA  25 7 tubes   One dial (primary tuning control knob). 

[rmxhdet-en]

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

Early oval Sangamo logotbn_usa_sangamo_logo.jpg
Radio Broadcast, Mar. 1926, p. 615tbn_usa_sangamo.jpg
tbn_usa_sangamo_colorcodes.jpg

  
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