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Personal 200A Treasure Chest

Personal 200A Treasure Chest; United American (ID = 459133) Radio
 
Personal 200A Treasure Chest; United American (ID = 459200) Radio
Personal 200A Treasure Chest; United American (ID = 458869) Radio Personal 200A Treasure Chest; United American (ID = 459266) Radio
Personal 200A Treasure Chest; United American (ID = 459267) Radio Personal 200A Treasure Chest; United American (ID = 459268) Radio
Personal 200A Treasure Chest; United American (ID = 459269) Radio Personal 200A Treasure Chest; United American (ID = 459270) Radio
Personal 200A Treasure Chest; United American (ID = 459271) Radio
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Personal 200A Treasure Chest; United American (ID = 458869) Radio
United American: Personal 200A Treasure Chest [Radio] ID = 458869 765x454
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For model Personal 200A Treasure Chest, United American Bosch (Magneto Corporation); Springfield (MA)
 
Country:  United States of America (USA)
Manufacturer / Brand:  United American Bosch (Magneto Corporation); Springfield (MA)
alternative name
 
American Bosch Magneto
Brand
Essex
Year: 1932 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 5: 35 or 51 35 or 51 24 47 80
Main principle TRF without regeneration; Screengrid 1926-1935
Tuned circuits 3 AM circuit(s)
Wave bands Broadcast (MW), Police, sometimes also early TV (75-200m).
Details
Power type and voltage Alternating Current supply (AC) / 115 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
Power out
from Radiomuseum.org Model: Personal 200A Treasure Chest - United American Bosch Magneto
Material Wooden case
Shape Tablemodel, Box - most often with Lid (NOT slant panel).
Notes

Ornate wooden chest with lid over the controls. The little brass button on the control panel is the band switch. Pulling this button up switches to the Police Band. Pushing the button down switches to the standard AM Broadcast Band.

Price in first year of sale 49.00 $
External source of data Ernst Erb
Source of data Radio Collector`s Guide 1921-1932
Circuit diagram reference Rider's Perpetual, Volume 3 = 1933 and before
Mentioned in The Radio Collector's Directory and Price Guide 1921 - 1965
Literature/Schematics (1) Machine Age to Jet Age II (and Slusser 7)


All listed radios etc. from United American Bosch (Magneto Corporation); Springfield (MA)
Here you find 412 models, 158 with images and 269 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



 


Forum contributions about this model
United American: Personal 200A Treasure Chest
Threads: 1 | Posts: 1
Hits: 1273     Replies: 0
united: Treasure Chest; Personal 200A
Bob Timms
29.Feb.12
  1

The little Brass Knob is NOT a MUTE Button

I am told it selects the POLICE band

 

Bob Timms

Wilmingon, NC

USA

 
United American: Personal 200A Treasure Chest
End of forum contributions about this model

  
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