• Country
• United States of America (USA)

• Manufacturer / Brand
• Bowman & Co., A.W.; Boston, Massachusetts

• Year
• 1915 ??

• Category
• Radio part (not a module) 

• Radiomuseum.org ID
• 301373

• Main principle
• Crystal or Solid State Detector

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Bakelite or Plastics (type unknown)

• from Radiomuseum.org
• Model: Vertical Detector - Bowman & Co., A.W.; Boston,

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 70 x 90 x 160 mm / 2.8 x 3.5 x 6.3 inch

• Notes

• See similar model Vertical Crystal Detector.

• Net weight (2.2 lb = 1 kg)
• 0.3 kg / 0 lb 10.6 oz (0.661 lb)

• Author
• Model page created by Musée des Radios Museum. See "Data change" for further contributors.

• Other Models

• Here you find 32 models, 31 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Bowman & Co., A.W.; Boston, Massachusetts