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Duo-Reflex Four Tube Kit

Duo-Reflex Four Tube Kit; Electrical Research (ID = 2273395) Kit Duo-Reflex Four Tube Kit; Electrical Research (ID = 2273396) Kit
Duo-Reflex Four Tube Kit; Electrical Research (ID = 2273397) Kit Duo-Reflex Four Tube Kit; Electrical Research (ID = 2273398) Kit
Duo-Reflex Four Tube Kit; Electrical Research (ID = 2273399) Kit Duo-Reflex Four Tube Kit; Electrical Research (ID = 2273400) Kit
Duo-Reflex Four Tube Kit; Electrical Research (ID = 1122222) Kit
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Duo-Reflex Four Tube Kit; Electrical Research (ID = 2273395) Kit
Electrical Research: Duo-Reflex Four Tube Kit [Kit] ID = 2273395 1400x686
Select picture or schematic to display from thumbnails on the right and click for download.
For model Duo-Reflex Four Tube Kit, Electrical Research Laboratories Inc. (Erla); Chicago, Illinois:
ERLA 4 tube Reflex Sold by Ebay Seller:ip500 Ebay Item:132673104664 on 2 Jul 2018
 
Country:  United States of America (USA)
Manufacturer / Brand:  Electrical Research Laboratories Inc. (Erla); Chicago, Illinois
Year: 1924 Category: Kit (Parts plus instruction) or building instructions only
Valves / Tubes 4:
Main principle TRF without regeneration; Reflex
Tuned circuits 1 AM circuit(s)
Wave bands Broadcast only (MW).
Details
Power type and voltage Storage and/or dry batteries
Loudspeaker - This model requires external speaker(s).
Power out
from Radiomuseum.org Model: Duo-Reflex Four Tube Kit - Electrical Research
Material Various materials
External source of data Ernst Erb
Source of data Radio Collector`s Guide 1921-1932
Mentioned in Collector's Guide to Antique Radios 4. Edition


All listed radios etc. from Electrical Research Laboratories Inc. (Erla); Chicago, Illinois
Here you find 131 models, 45 with images and 61 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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