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Monotrol 52

Monotrol 52; Sleeper Radio Corp.; (ID = 2002116) Radio Monotrol 52; Sleeper Radio Corp.; (ID = 2002117) Radio
Monotrol 52; Sleeper Radio Corp.; (ID = 2002119) Radio Monotrol 52; Sleeper Radio Corp.; (ID = 990350) Radio
Monotrol 52; Sleeper Radio Corp.; (ID = 2002118) Radio Monotrol 52; Sleeper Radio Corp.; (ID = 2002120) Radio
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Monotrol 52; Sleeper Radio Corp.; (ID = 2002116) Radio
Sleeper Radio Corp.;: Monotrol 52 [Radio] ID = 2002116 1400x913
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For model Monotrol 52, Sleeper Radio Corp.; New York (NY):
eBay item number:162088723174
 
Country:  United States of America (USA)
Manufacturer / Brand:  Sleeper Radio Corp.; New York (NY)
Year: 1924 ? Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 4:
Main principle TRF with regeneration; Reflex
Wave bands Broadcast and LongWave in ONE range.
Details
Power type and voltage Storage and/or dry batteries
Loudspeaker - This model requires external speaker(s).
Power out
from Radiomuseum.org Model: Monotrol 52 - Sleeper Radio Corp.; New York
Material Wooden case
Shape Tablemodel, Box - most often with Lid (NOT slant panel).
Notes Has a plaque that says: Sleeper Inverse Duplex. For reception distance of 1000 km. One single tuning knob, one knob for detector and another for amplifiers. To be used without need for earth or external antenna by using the Sleeper Monotrol Loop antenna.
Collectors' prices  
Mentioned in Revista Telegráfica - Abril 1924

Model page created by Javier Albinarrate. See "Data change" for further contributors.



All listed radios etc. from Sleeper Radio Corp.; New York (NY)
Here you find 35 models, 21 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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