Telefocal 991 old
Columbia Phonograph, American / Volta Graphophone Company; USA
- Country
- United States of America (USA)
- Manufacturer / Brand
- Columbia Phonograph, American / Volta Graphophone Company; USA
- Year
- 1930
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 35654
-
- alternative name: American Graphophone || Columbia Recording
- Main principle
- TRF (Tuned-Radio-Frequency but use of regeneration unknown)
- Details
- Record Player (perh.Changer)
- Power type and voltage
- Alternating Current supply (AC)
- from Radiomuseum.org
- Model: Telefocal 991 [old] - Columbia Phonograph, American
- Notes
- One dial (primary tuning control knob)
- Price in first year of sale
- 325.00 $
- External source of data
- Ernst Erb
- Source of data
- Radio Collector`s Guide 1921-1932
- Other Models
-
Here you find 103 models, 69 with images and 34 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Columbia Phonograph, American / Volta Graphophone Company; USA