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70AW ; Patterson Radio Corp (ID = 1269734) Radio
70AW ; Patterson Radio Corp (ID = 640789) Radio
70AW ; Patterson Radio Corp (ID = 210273) Radio
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70AW ; Patterson Radio Corp (ID = 210273) Radio
Patterson Radio Corp: 70AW [Radio] ID = 210273 293x400
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For model 70AW, Patterson Radio Corp.; Los Angeles:
From an auction catalogue.
Country:  United States of America (USA)
Manufacturer / Brand:  Patterson Radio Corp.; Los Angeles
Year: 1932 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 7: 57 56 58 58 55 or Wunderlich 59 82
Main principle Superheterodyne (common); ZF/IF 262 kHz; 2 AF stage(s)
Tuned circuits 9 AM circuit(s)
Wave bands Broadcast plus more than 2 Short Wave bands.
Power type and voltage Alternating Current supply (AC) / 110; 125 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
Power out
from Model: 70AW - Patterson Radio Corp.; Los
Material Wooden case
Shape Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.
Notes The set covers the wavebands from 15 to 575 meters in 4 bands.
External source of data Ernst Erb
Source of data The Radio Collector's Directory and Price Guide 1921 - 1965
Circuit diagram reference Rider's Perpetual, Volume 4 = ca. 1934 and before
Literature/Schematics (1) Rider's Perpetual, Volume 3 = 1933 and before

All listed radios etc. from Patterson Radio Corp.; Los Angeles
Here you find 111 models, 43 with images and 66 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.