Sparton 420 ;AC Schematic purchase

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

Saturday 27/4/2024 11:17
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 420 ;AC (Gernsback : Radio 2 P: 411)
£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 420 ;AC 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
Model420 JEWEL - Sparton of Canada; London, ON
Year: 1931Broadcast Receiver
Valves6: 224 224 227 183 183 280
TechnologyTRF without regeneration
Tuned Circuits3 AM circuit(s)
Wave BandsBroadcast only (MW).
Power TypeAC / 100-110; 110-120; 120-130 Volt
Dimensions19 x 19 x 10 inch / 483 x 483 x 254 mm
Initial Price96.00 $
SourceBook: Rider Vol: 2 Page: 46
SourceBook: Rider Vol: 2 Page: 48