Vertical Spark Gap No. 390
Doron Bros. Electric Co.; Hamilton, Ohio
- Country
- United States of America (USA)
- Manufacturer / Brand
- Doron Bros. Electric Co.; Hamilton, Ohio
- Year
- 1919 ??
- Category
- Amateur Equipment (Other, but not Key)
- Radiomuseum.org ID
- 278496
-
- Brand: Super-Equidyne
- Wave bands
- - without
- Power type and voltage
- No Power needed
- Loudspeaker
- - - No sound reproduction output.
- Material
- Various materials
- from Radiomuseum.org
- Model: Vertical Spark Gap No. 390 - Doron Bros. Electric Co.;
- Shape
- Tablemodel, with any shape - general.
- Notes
-
The gap is suitable for coils from 1/2-inch up to a 1/2 K.W. transformer.
- Net weight (2.2 lb = 1 kg)
- 4 lb (4 lb 0 oz) / 1.816 kg
- Price in first year of sale
- 2.90 $
- Mentioned in
- Circa 1919 Electrical Specialty catalog page 23
- Author
- Model page created by Alan Larsen. See "Data change" for further contributors.
- Other Models
-
Here you find 16 models, 16 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Doron Bros. Electric Co.; Hamilton, Ohio