Columbia C100 Schematic purchase

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

Saturday 9/5/2026 15:23
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
Columbia C100 (Gernsback : Radio 2 P: 536)
£1.80 (~ $2.20 or €2.10)
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The schematic will be taken from Gernsback-Manual-1931

Gernsback-Manual-1931 preview

Columbia C100 Specification spec data sheet

These notes are automatically scraped from Google, Bing, Yahoo, Yandex
by an Artificially (not so) Intelligent algorithm
CountryUSA
ManufacturerColumbia Phonograph, American / Volta Graphophone Company; USA
Alternative Name American Graphophone || Columbia Recording
ModelModel C-100 Chassis 100 - Columbia Phonograph, American
Year: 1932Category: Broadcast Receiver
Valves8: 24A 24A 24A 24A 27 45 45 80
TechnologyTRF without regeneration; Screengrid 1926-1935
Tuned Circuits4 AM circuit(s)
Wave BandsBroadcast only (MW).
Power typeAC / 117 Volt
SourceBook: gernsback Vol: 2 Page: 536
SourceBook: rider Vol: 3 Page: 10