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Country:  United States of America (USA)
Manufacturer / Brand:  Philco, Philadelphia Stg. Batt. Co.; USA
Year: 1936 ? Category: Car Radio, perhaps also + sound player/recorder
Valves / Tubes 6: 78 6A7 78 75 41 84
Main principle Superhet with RF-stage; ZF/IF 260 kHz; 2 AF stage(s)
Wave bands Broadcast only (MW).
Power type and voltage Storage Battery for all (e.g. for car radios and amateur radios)
Power out
from Model: 818K - Philco, Philadelphia Stg. Batt
Notes This model is equipped with a vibrator for the generation of B+.
External source of data Ernst Erb
Circuit diagram reference Rider's Perpetual, Volume 7 = 1936 and before

All listed radios etc. from Philco, Philadelphia Stg. Batt. Co.; USA
Here you find 3594 models, 2015 with images and 2925 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.