Sparton 420 DC Schematic purchase

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

Monday 17/6/2024 15:46
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 DC (File : 0 Sparks Withington_Sparton-410_Junior_Jewel_42
£1.80 (~ $2.20 or €2.10)
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Sparton 420 DC Specification spec data sheet

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by an Artificially (not so) Intelligent algorithm
CountryUSA
ManufacturerSparks-Withington Co., (Sparton); Jackson, Michigan
ModelSparton 420DC - Sparks-Withington Co., Sparton
Year: 1930Category: Broadcast Receiver
Valves5: 224 224 227 183/483 183/483
TechnologyTRF without regeneration; 1 AF stage(s); Screengrid 1926-1935
Tuned Circuits3 AM circuit(s)
Wave BandsBroadcast only (MW).
Power typeDirect Current supply (DC) / 110 Volt
SourceMyFile: sparton-410 ac_410 dc_420 ac_420 dc_junior 410_jewel 420-1930.rider.radio.pdf