• Country
• United States of America (USA)

• Manufacturer / Brand
• Long Distance Wireless Instrument Company; Boston, MA

• Year
• 1909/1910

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

• Radiomuseum.org ID
• 271730

• Main principle
• Tuner pre 1926 (not a wave trap)

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Various materials

• from Radiomuseum.org
• Model: Tuning Coil - Long Distance Wireless

• Shape
• Tablemodel, with any shape - general.

• Mentioned in
• December 1909, Electrician and Mechanic magazine advertisement page xxvii

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

• Other Models

• Here you find 4 models, 4 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Long Distance Wireless Instrument Company; Boston, MA