- Country
- France
- Manufacturer / Brand
- Grammont (Radiofotos, Fotos); Paris, Malakoff
- Year
- 1923 ?
- Category
- Detector-Radio (Crystal or diode, without tubes/transistors)
- Radiomuseum.org ID
- 264515
-
- alternative name: Radiofotos || Société des lampes Fotos
- Main principle
- Crystal or Solid State Detector
- Loudspeaker
- - For headphones or amp.
- Material
- Wooden case
- from Radiomuseum.org
- Model: BF 22 - Grammont Radiofotos, Fotos;
- Shape
- Tablemodel, with any shape - general.
- Notes
-
Resistance-coupled AF amplifier.
- External source of data
- Reinhard Bittner
- Literature/Schematics (2)
- Le Guide du Collectionneur TSF Biraud/Foster, Vol. I (page 192)
- Author
- Model page created by Ernst Erb. See "Data change" for further contributors.
- Other Models
-
Here you find 162 models, 118 with images and 65 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Grammont (Radiofotos, Fotos); Paris, Malakoff