DeWald 640 Schematic purchase

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Schematics sent by Email £1.80 (~ $2.20 or €2.10)

Friday 19/4/2024 6:25
I am away until Thursday evening 21/12/2023 I cannot send any schematics marked TO SCAN until home, pre-scanned ones will be sent probably in the evening UK time
DeWald 640 (Gernsback : Radio 5 P: 626)
£1.80 (~ $2.20 or €2.10)
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The schematic will be taken from Gernsback-Manual-1936

Gernsback-Manual-1936 preview

DeWald 640 Specification spec data sheet

These notes are automatically scraped from Google, Bing, Yahoo, Yandex
by an Artificially (not so) Intelligent algorithm
CountryUSA
ManufacturerDeWald Radio Mfg. Corp., Pierce Airo Inc.
Brand Pierce Airo
ModelModel 640 - DeWald Radio Mfg. Corp.,
Year: 1934Category: Car Radio, perhaps also + sound player/recorder
Valves6: 6D6 6A7 6D7 75 41 84
TechnologySuperhet with RF-stage; IF 175 kHz; 2 AF stage(s)
Tuned Circuits6 AM circuit(s)
Wave BandsBroadcast only (MW).
Power typeStorage Battery for all (e.g. for car radios and amateur radios) / 6 Volt
SourceBook: gernsback Vol: 5 Page: 626
SourceBook: rider Vol: 5 Page: 16