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A-C-Former ; Karas Electric Co.; (ID = 1176550) Power-S A-C-Former ; Karas Electric Co.; (ID = 1176551) Power-S
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A-C-Former ; Karas Electric Co.; (ID = 1176550) Power-S
Karas Electric Co.;: A-C-Former [Power-S] ID = 1176550 933x838
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For model A-C-Former, Karas Electric Co.; Chicago (IL):
Radio News for March, 1928; page 1087
Country:  United States of America (USA)
Manufacturer / Brand:  Karas Electric Co.; Chicago (IL)
Year: 1928 ? Category: Power supply/conditioner or battery or charger 
Wave bands - without
Power type and voltage Alternating Current supply (AC) / 110 Volt
Loudspeaker - - No sound reproduction output.
Power out
from Model: A-C-Former - Karas Electric Co.; Chicago IL
Material Metal case
Shape Tablemodel, with any shape - general.
Notes Transformer, supplies 1.5 volts; 2.5 volts; 5 volts A.C.
Source of data Radio News
Mentioned in March 1928, Page 1087

Model page created by Karlheinz Gützlaff. See "Data change" for further contributors.

All listed radios etc. from Karas Electric Co.; Chicago (IL)
Here you find 5 models, 5 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.