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333; Zenith Radio Corp.; (ID = 219018) Radio
333; Zenith Radio Corp.; (ID = 770638) Radio
333; Zenith Radio Corp.; (ID = 172235) Radio
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333; Zenith Radio Corp.; (ID = 172235) Radio
Zenith Radio Corp.;: 333 [Radio] ID = 172235 591x329
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For model 333, Zenith Radio Corp.; Chicago, IL:
333 1928 Ebay seller generation-gap
Country:  United States of America (USA)
Manufacturer / Brand:  Zenith Radio Corp.; Chicago, IL
alternative name
Chicago Radio Lab
Year: 1928 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 6: UX201A UX201A UX201A UX201A UX201A UX171A
Main principle TRF without regeneration
Tuned circuits 4 AM circuit(s)
Wave bands Broadcast only (MW).
Power type and voltage Powered by external power supply or a main unit. / 115 Volt
Loudspeaker - For headphones or amp.
Power out
from Model: 333 - Zenith Radio Corp.; Chicago,
Material Wooden case
Shape Tablemodel, with any shape - general.
Notes Power Supply ZE-17 with tube CX-371A.
One dial (primary tuning control knob)
Price in first year of sale 150.00 $
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)
Literature/Schematics (1) Zenith Radio The Early Years 1919-1935

All listed radios etc. from Zenith Radio Corp.; Chicago, IL
Here you find 4264 models, 3890 with images and 3381 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.