Graybar 770 Schematic purchase

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

Thursday 18/4/2024 14:49
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
Graybar 770 (File : 0 Westinghouse-WR5_WR6_WR6R_WR7_WR7R_WR8_WR8R_Colu
£1.80 (~ $2.20 or €2.10)
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Westinghouse-WR5_WR6_WR6R_WR7_WR7R_WR8_WR8R_Columnaire(RCA-82_86)(GE-H51_H71)(Graybar-770_900)-1931.RadioCraft.RadioGram preview

Graybar 770 Specification spec data sheet

These notes are automatically scraped from Google, Bing, Yahoo, Yandex
by an Artificially (not so) Intelligent algorithm
CountryUSA
ManufacturerGraybar Electric Co.; New York (NY)
Model 770 [old] - Graybar Electric Co.; New York
Year: 1930Broadcast Receiver
Valves9: 24 27 24 24 24 27 45 45 80
TechnologySuperhet with RF-stage; IF 175 kHz; Screengrid 1926-1935
Tuned Circuits10 AM circuit(s)
Wave BandsBroadcast only (MW).
Power TypeAlternating Current supply (AC) / 105-125 Volt
Dimensions27.5 x 48 x 16.25 inch / 699 x 1219 x 413 mm
Initial Price179.00 $
SourceBook: Gernsback Vol: 1 Page: 266A&266D