Sparks Withington 620X Schematic purchase

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

Friday 3/5/2024 21:51
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
Sparks Withington 620X (Gernsback : Radio 5 P: 803)
£1.80 (~ $2.20 or €2.10)
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The schematic will be taken from Gernsback-Manual-1934

Gernsback-Manual-1934 preview

Sparks Withington 620X Specification spec data sheet

These notes are automatically scraped from Google, Bing, Yahoo, Yandex
by an Artificially (not so) Intelligent algorithm
so they might not pertain to the correct model! (confidence level=85.71%)
CountryUSA
ManufacturerSparks-Withington Co., (Sparton); Jackson, Michigan
ModelSparton 620AC - Sparks-Withington Co., Sparton
Year: 1930Category: Broadcast Receiver
Valves10: 484 484 484 484 484 484 484 183/483 183/483 280
TechnologyTRF without regeneration
Tuned Circuits4 AM circuit(s)
Wave BandsBroadcast only (MW).
Power typeAC / 100-130 Volt
Initial Price151.00 $
SourceBook: Beitman Vol: 1926 Page: 192
SourceBook: Rider Vol: 1 Page: 20
SourceBook: Gernsback Vol: 2 Page: 412&322(V3)
SourceBook: Gernsback Vol: 2 Page: 412&322(V3)
SourceBook: Rider Vol: 2 Page: 53