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Du-Wa Crystal Set

Du-Wa Crystal Set ; Palmer Electric & (ID = 1980427) Crystal Du-Wa Crystal Set ; Palmer Electric & (ID = 1980428) Crystal
Du-Wa Crystal Set ; Palmer Electric & (ID = 1980429) Crystal Du-Wa Crystal Set ; Palmer Electric & (ID = 1980430) Crystal
Du-Wa Crystal Set ; Palmer Electric & (ID = 1980431) Crystal  
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Du-Wa Crystal Set ; Palmer Electric & (ID = 1980427) Crystal
Palmer Electric &: Du-Wa Crystal Set [Crystal] ID = 1980427 1200x1600
Select picture or schematic to display from thumbnails on the right and click for download.
For model Du-Wa Crystal Set, Palmer Electric & MFG. CO.; Toledo (OH):
Du Wa Crystal set Front view. Sold by Ebay Seller: radios10467 Ebay Item: 141930074165 on 3 Apr. 2016
 
Country:  United States of America (USA)
Manufacturer / Brand:  Palmer Electric & MFG. CO.; Toledo (OH)
Year: 1924 Category: Detector-Radio (Crystal or diode, without tubes/transistors)
Main principle Crystal or Solid State Detector
Wave bands Broadcast only (MW).
Details
Power type and voltage No Power needed
Loudspeaker - For headphones or amp.
Power out
from Radiomuseum.org Model: Du-Wa Crystal Set - Palmer Electric & MFG. CO.;
Material Metal case
Shape Tablemodel, with any shape - general.
Notes

Two slider coils.

There is also a similar wave trap (eliminator).

Collectors' prices  
External source of data Ernst Erb
Source of data Radio Collector`s Guide 1921-1932
Mentioned in Crystal Clear (Volume 1) (p.60)


All listed radios etc. from Palmer Electric & MFG. CO.; Toledo (OH)
Here you find 3 models, 2 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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