Gulbransen 20 Schematic purchase

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

Tuesday 16/4/2024 23:51
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
Gulbransen 20 (Gernsback : Radio 2 P: 258J.258K.258L)
£1.80 (~ $2.20 or €2.10)
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The schematic will be taken from Gernsback-Manual-1936

Gernsback-Manual-1936 preview

Gulbransen 20 Specification spec data sheet

These notes are automatically scraped from Google, Bing, Yahoo, Yandex
by an Artificially (not so) Intelligent algorithm
CountryUSA
ManufacturerGulbransen Co.; Chicago
Model20 early or late - Gulbransen Co.; Chicago
Year: 1931Broadcast Receiver
Valves10: 35 35 27 35 35 27 27 47 47 80
TechnologySuperhet with RF-stage; IF 175 kHz; Screengrid 1926-1935
Tuned Circuits8 AM circuit(s)
Wave BandsBroadcast only (MW).
Power TypeAlternating Current supply (AC) / 110 Volt
SourceBook: Gernsback Vol: 2 Page: 258J&258K&258L