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Armstrong Regenerative Set

Country:  United States of America (USA)
Manufacturer / Brand:  Sears, Roebuck & Co.; Chicago (IL)
Year: 1923 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 1:
Main principle TRF with regeneration
Wave bands Broadcast only (MW).
Power type and voltage Storage and/or dry batteries
Loudspeaker - For headphones or amp.
Power out
from Model: Armstrong Regenerative Set - Sears, Roebuck & Co.; Chicago
Material Wooden case
Shape Tablemodel, Box - most often with Lid (NOT slant panel).
Notes Sold complete with head set, tube, batteries, aerial and ground wires.
Licensed under the Armstrong Patent No. 1113149.
Net weight (2.2 lb = 1 kg) 5.448 lb (5 lb 7.2 oz) / 2.473 kg
Price in first year of sale 23.25 $
External source of data Ernst Erb
Source of data Radio Collector`s Guide 1921-1932

All listed radios etc. from Sears, Roebuck & Co.; Chicago (IL)
Here you find 5339 models, 3107 with images and 3906 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.