Sparton 420 AC Schematic purchase

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

Saturday 27/4/2024 13:51
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
Sparton 420 AC (File : 0 Sparks Withington_Sparton-410 AC_410 DC_420 A
£1.80 (~ $2.20 or €2.10)
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Sparks Withington_Sparton-410 AC_410 DC_420 AC_420 DC_Junior 410_Jewel 420-1930.Rider.Radio 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
CountryUSA
ManufacturerSparks-Withington Co., (Sparton); Jackson, Michigan
ModelSparton 420AC - Sparks-Withington Co., Sparton
Year: 1930Category: Broadcast Receiver
Valves6: 224 224 427 183/483 183/483 280
TechnologyTRF without regeneration; 1 AF stage(s); Screengrid 1926-1935
Tuned Circuits3 AM circuit(s)
Wave BandsBroadcast only (MW).
Power typeAC / 100-130 Volt
Initial Price96.00 $
SourceBook: gernsback Vol: 2 Page: 411
SourceBook: rider Vol: 2 Page: 46
SourceBook: gernsback Vol: 2 Page: 400
SourceBook: rider Vol: 2 Page: 48