National Variocoupler
National Radio Company; Saint Louis, Missouri
- Country
- United States of America (USA)
- Manufacturer / Brand
- National Radio Company; Saint Louis, Missouri
- Year
- 1922
- Category
- Radio part (not a module)
- Radiomuseum.org ID
- 257964
- Main principle
- Tuner pre 1926 (not a wave trap)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- No Power needed
- Loudspeaker
- - - No sound reproduction output.
- Material
- Wooden case
- from Radiomuseum.org
- Model: National Variocoupler - National Radio Company; Saint
- Shape
- Miscellaneous shapes - described under notes.
- Notes
-
Tunes 150 to 650 meters
- Price in first year of sale
- 3.50 $
- Literature/Schematics (1)
- QST (October 1922, QST magazine advertisement on page 126)
- Author
- Model page created by Alan Larsen. See "Data change" for further contributors.
- Other Models
-
Here you find 3 models, 3 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from National Radio Company; Saint Louis, Missouri