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Natural Speaker 20-20

Natural Speaker 20-20 ; Grebe, A.H. & Co.; (ID = 664475) Speaker-P Natural Speaker 20-20 ; Grebe, A.H. & Co.; (ID = 1722804) Speaker-P
Natural Speaker 20-20 ; Grebe, A.H. & Co.; (ID = 1722805) Speaker-P
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Natural Speaker 20-20 ; Grebe, A.H. & Co.; (ID = 664475) Speaker-P
Grebe, A.H. & Co.;: Natural Speaker 20-20 [Speaker-P] ID = 664475 389x555
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For model Natural Speaker 20-20, Grebe, A.H. & Co.; Richmond Hill (NY):
Original-Prospect ~1927
 
Country:  United States of America (USA)
Manufacturer / Brand:  Grebe, A.H. & Co.; Richmond Hill (NY)
Brand
 
Synchrophase
Year: 1927 Category: Loudspeaker, headphone or earphone
Wave bands - without
Details
Loudspeaker Magnetic loudspeaker (reed) generic.
Power out
from Radiomuseum.org Model: Natural Speaker 20-20 - Grebe, A.H. & Co.; Richmond
Material Various materials
Shape Tablemodel, with any shape - general.
Notes

Grebe Natural Speaker;
Table type, fitted to Grebe Synchrophase Seven.

Price in first year of sale 35.00 $
Mentioned in -- Original prospect or advert
Literature/Schematics (1) Radio Broadcast, Oct. 1927, Page 371
Literature/Schematics (3) Radio Retailing (Radio & Television R.) (ad June 1927 page 5.)

Model page created by a member from A. See "Data change" for further contributors.



All listed radios etc. from Grebe, A.H. & Co.; Richmond Hill (NY)
Here you find 186 models, 115 with images and 59 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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