Grigsby 12B Schematic purchase

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

Sunday 28/4/2024 14:26
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
Grigsby 12B (Beitman : Radio 1926-38 P: 72)
£1.80 (~ $2.20 or €2.10)
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The schematic will be taken from Beitman-1926 to 1938

Beitman-1926 to 1938 preview

Grigsby 12B 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
ManufacturerGrigsby-Grunow (-Hinds) Co. (Majestic pre 1933); Chicago (IL)
ModelScreen Grid Super 123 Chassis 120-B - Grigsby-Grunow -Hinds Co.
Year: 1932Category: Broadcast Receiver
Valves6: 32 30 32 32 32 33
TechnologySuperhet with RF-stage; IF 175 kHz
Tuned Circuits6 AM circuit(s)
Wave BandsBroadcast only (MW).
Power typeBatteries / 2 & 3x 45 & -22.5 Volt
Dimensions24.875 x 38.125 x 13.875 inch / 632 x 968 x 352 mm
Initial Price79.50 USD
SourceBook: rider Vol: 6 Page: 10