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55 ; Zenith Radio Corp.; (ID = 897679) Radio 55 ; Zenith Radio Corp.; (ID = 249053) Radio
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55 ; Zenith Radio Corp.; (ID = 897679) Radio
Zenith Radio Corp.;: 55 [Radio] ID = 897679 500x666
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For model 55, Zenith Radio Corp.; Chicago, IL:
Zenith_Model_55_with courtesy from
Country:  United States of America (USA)
Manufacturer / Brand:  Zenith Radio Corp.; Chicago, IL
alternative name
Chicago Radio Lab
Year: 1929 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 8:
Main principle TRF without regeneration; Screengrid 1926-1935
Wave bands Broadcast only (MW).
Power type and voltage Alternating Current supply (AC) / 115 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
Power out
from Model: 55 - Zenith Radio Corp.; Chicago,
Material Wooden case
Shape Console with any shape - in general
Notes One dial (primary tuning control knob)
Price in first year of sale 700.00 $
External source of data Ernst Erb
Source of data Radio Collector`s Guide 1921-1932
Circuit diagram reference Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)
Mentioned in The Radio Collector's Directory and Price Guide 1921 - 1965

All listed radios etc. from Zenith Radio Corp.; Chicago, IL
Here you find 4278 models, 3897 with images and 3389 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.