Echophone 4 Schematic purchase

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

Saturday 20/4/2024 14:46
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
Echophone 4 (Rider : Echophone 3 P: 12)
£1.80 (~ $2.20 or €2.10)
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The schematic will be taken from Rider-Vol 01-1933

Rider-Vol 01-1933 preview

Echophone 4 Specification spec data sheet

These notes are automatically scraped from Google, Bing, Yahoo, Yandex
by an Artificially (not so) Intelligent algorithm
CountryUSA
ManufacturerRadio Shop, The (Echophone); Sunnyvale, CA
Brand Leroy
ModelEchophone 4 - Radio Shop, The Echophone;
Year: 1925Category: Broadcast Receiver
Valves4: UV199 UV199 UV199 UV199
TechnologyTRF
Power typeBatteries
Dimensions300 x 270 x 360 mm / 11.8 x 10.6 x 14.2 inch
Net weight5.9 kg / 12 lb 15.9 oz (12.996 lb)
Initial Price98.00 $
SourceBook: rider Vol: 3 Page: 12