Natural Speaker 20-20
Grebe, A.H. & Co.; Richmond Hill (NY)
- Country
- United States of America (USA)
- Manufacturer / Brand
- Grebe, A.H. & Co.; Richmond Hill (NY)
- Year
- 1927
- Category
- Loudspeaker, headphone or earphone
- Radiomuseum.org ID
- 161340
-
- Brand: Synchrophase
Original-Prospect ~1927
- Wave bands
- - without
- Loudspeaker
- Magnetic loudspeaker (reed) generic.
- Material
- Various materials
- from Radiomuseum.org
- Model: Natural Speaker 20-20 - Grebe, A.H. & Co.; Richmond
- 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.)
- Author
- Model page created by a member from A. See "Data change" for further contributors.
- Other Models
-
Here you find 188 models, 124 with images and 61 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Grebe, A.H. & Co.; Richmond Hill (NY)