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Somerset Shelbourne 4B

Somerset Shelbourne 4B; National Airphone (ID = 1543580) Radio Somerset Shelbourne 4B; National Airphone (ID = 841801) Radio
Somerset Shelbourne 4B; National Airphone (ID = 1543581) Radio Somerset Shelbourne 4B; National Airphone (ID = 2037084) Radio
Somerset Shelbourne 4B; National Airphone (ID = 2037085) Radio Somerset Shelbourne 4B; National Airphone (ID = 2037086) Radio
Somerset Shelbourne 4B; National Airphone (ID = 2037087) Radio Somerset Shelbourne 4B; National Airphone (ID = 2037088) Radio
Somerset Shelbourne 4B; National Airphone (ID = 2037089) Radio
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Somerset Shelbourne 4B; National Airphone (ID = 1543580) Radio
National Airphone: Somerset Shelbourne 4B [Radio] ID = 1543580 933x624
Select picture or schematic to display from thumbnails on the right and click for download.
For model Somerset Shelbourne 4B, National Airphone Corp.; New York (NY):
January 1925 Radio News magazine advertisement on page 1220
 
Country:  United States of America (USA)
Manufacturer / Brand:  National Airphone Corp.; New York (NY)
Year: 1925 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 4:
Main principle TRF without regeneration
Tuned circuits 2 AM circuit(s)
Wave bands Broadcast only (MW).
Details
Power type and voltage Storage and/or dry batteries
Loudspeaker - For headphones or amp.
Power out
from Radiomuseum.org Model: Somerset Shelbourne 4B - National Airphone Corp.; New
Material Wooden case
Shape Tablemodel, Box - most often with Lid (NOT slant panel).
Dimensions (WHD) 27 x 15 x 12 inch / 686 x 381 x 305 mm
Notes One dial (primary tuning control knob) ; mahogany cabinet.
Price in first year of sale 85.00 $
External source of data Ernst Erb
Source of data Radio Collector`s Guide 1921-1932
Mentioned in Radio News,Feb.1925


All listed radios etc. from National Airphone Corp.; New York (NY)
Here you find 15 models, 13 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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