• Country
• United States of America (USA)

• Manufacturer / Brand
• Signal Electric Mfg. Co.; Menominee (MI)

• Year
• 1921 ?

• Category
• Radio part (not a module) 

• Radiomuseum.org ID
• 272933

• Main principle
• Crystal or Solid State Detector

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Signal Crystal Detector - Signal Electric Mfg. Co.;

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 3.5 x 3 x 2 inch / 89 x 76 x 51 mm

• Notes

• Signal Electric "Signal" Crystal Detector

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

• Other Models

• Here you find 34 models, 33 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Signal Electric Mfg. Co.; Menominee (MI)