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M 7-69

M 7-69; Patterson Radio Corp (ID = 1962628) Radio
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M 7-69; Patterson Radio Corp (ID = 1962628) Radio
Patterson Radio Corp: M 7-69 [Radio] ID = 1962628 1400x834
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For model M 7-69, Patterson Radio Corp.; Los Angeles:
Patterson brochure front
Country:  United States of America (USA)
Manufacturer / Brand:  Patterson Radio Corp.; Los Angeles
Year: 1930 perfect model Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 7: 24 24 24 24 27 45 45 80
Main principle TRF (Tuned-Radio-Frequency but use of regeneration unknown); Screengrid 1926-1935
Wave bands Broadcast only (MW).
Power type and voltage Alternating Current supply (AC)
Power out
from Model: M 7-69 - Patterson Radio Corp.; Los
Shape Tablemodel, Mantel/Midget/Compact up to 14" width, but not a Portable (See power data. Sometimes with handle but for mains only).

One dial (primary tuning control knob)

Price in first year of sale 89.50 USD
External source of data Ernst Erb
Source of data Radio Collector`s Guide 1921-1932
Mentioned in The Radio Collector's Directory and Price Guide 1921 - 1965

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.