• Country
• United States of America (USA)

• Manufacturer / Brand
• Wireless Improvement Co.; New York City, New York

• Year
• 1919

• Category
• Radio module pre 1926 (not a part, not a key)

• Radiomuseum.org ID
• 286515

• Main principle
• Crystal or Solid State Detector

• Wave bands
• - without

• Loudspeaker
• - - No sound reproduction output.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Triple Crystal detector SE 3570 - Wireless Improvement Co.; New

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Dimensions (WHD)
• 320 x 230 x 170 mm / 12.6 x 9.1 x 6.7 inch

• Notes

• Wireless Improvement Triple crystal detector Type SE-3570.

• Net weight (2.2 lb = 1 kg)
• 2.7 kg / 5 lb 15.2 oz (5.947 lb)

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

• Other Models

• Here you find 18 models, 15 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Wireless Improvement Co.; New York City, New York