Stand Alone Crystal Detector
Firth, John & Co. (Firco); New York, (NY)
- Country
- United States of America (USA)
- Manufacturer / Brand
- Firth, John & Co. (Firco); New York, (NY)
- Year
- 1922
- Category
- Radio part (not a module)
- Radiomuseum.org ID
- 207622
February, 1922 QST magazine page 101
Photo from Radio Age November 1985, Page 1.
- Main principle
- Crystal or Solid State Detector
- Wave bands
- - without
- Power type and voltage
- No Power needed
- Loudspeaker
- - - No sound reproduction output.
- Material
- Various materials
- from Radiomuseum.org
- Model: Stand Alone Crystal Detector - Firth, John & Co. Firco; New
- Shape
- Tablemodel, with any shape - general.
- Notes
- John Firth Firco Crystal Detector. This is the same crystal detector that is used on the Kolster Decremeter.
- Price in first year of sale
- 3.00 $
- Mentioned in
- Crystal Clear (Volume 1) (Page 248)
- Literature/Schematics (1)
- February 1922 Radio News magazine advertisment page 761
- Author
- Model page created by Alan Larsen. See "Data change" for further contributors.
- Other Models
-
Here you find 22 models, 20 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Firth, John & Co. (Firco); New York, (NY)