ITT K21 Schematic purchase

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

Saturday 27/4/2024 8:26
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
ITT K21 (Gernsback : Radio 1 P: 218 218A)
£1.80 (~ $2.20 or €2.10)
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The schematic will be taken from Gernsback-Manual-1930

Gernsback-Manual-1930 preview

ITT K21 Specification spec data sheet

These notes are automatically scraped from Google, Bing, Yahoo, Yandex
by an Artificially (not so) Intelligent algorithm
CountryUSA
ManufacturerKolster; USA
Brand International
ModelModel K-21 - Kolster; USA
Year: 1928Category: Broadcast Receiver
Valves8: 26 26 26 26 27 26 71A 80
TechnologyTRF
Tuned Circuits4 AM circuit(s)
Wave BandsBroadcast only (MW).
Power typeAC / 110 Volt
Initial Price160.00 $
SourceBook: gernsback Vol: 1 Page: 218&218a
SourceBook: rider Vol: 1 Page: 4
SourceBook: gernsback Vol: 3 Page: 299
SourceMyFile: kolsterbrandes_itt-k21_k23_k28-1933.rider.radio.pdf