Sparton 31 Schematic purchase

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

Saturday 27/4/2024 13:56
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
Sparton 31 (Gernsback : Radio 2 P: 404)
£1.80 (~ $2.20 or €2.10)
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The schematic will be taken from Gernsback-Manual-1931

Gernsback-Manual-1931 preview

Sparton 31 Specification spec data sheet

These notes are automatically scraped from Google, Bing, Yahoo, Yandex
by an Artificially (not so) Intelligent algorithm
CountryCanada
ManufacturerSparton of Canada; London, ON
ModelModel 31 - Sparton of Canada; London, ON
Year: 1930-1931Category: Broadcast Receiver
Valves6: 232 232 232 232 230 231
TechnologyTRF without regeneration
Tuned Circuits4 AM circuit(s)
Wave BandsBroadcast only (MW).
Power typeBatteries / 135 & -3 & -4.5 & -22.5 Volt
SourceBook: rider Vol: 1 Page: 4
SourceBook: rider Vol: 2 Page: 23