• Country
• United States of America (USA)

• Manufacturer / Brand
• Breidenbach, J.N.; Philadelphia, PA

• Year
• 1920/1921

• Category
• Radio part (not a module) 

• Radiomuseum.org ID
• 221126

• Main principle
• Crystal or Solid State Detector

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Special material, described in the notes.

• from Radiomuseum.org
• Model: Mineral Detector - Breidenbach, J.N.;

• Shape
• Tablemodel, with any shape - general.

• Notes
• J. N. Breidenbach Wireless Mineral Detector on a porcelain base

• Price in first year of sale
• 2.00 $

• Literature/Schematics (1)
• April 1921 Pacific Radio News magazine advertisement page 271

• Author
• Model page created by Alan Larsen. See "Data change" for further contributors.

• Other Models

• Here you find 1 models, 1 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Breidenbach, J.N.; Philadelphia, PA