• Country
• United States of America (USA)

• Manufacturer / Brand
• Tri-Mount Wireless Supply Co.; Boston, Massachusetts

• Year
• 1909

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

• Radiomuseum.org ID
• 286749

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

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Various materials

• from Radiomuseum.org
• Model: Tri-Mount Junior Single Slide Tuning Coil Type A - Tri-Mount Wireless Supply Co.;

• Shape
• Tablemodel, with any shape - general.

• Notes

• Tri-Mount "Junior" Type A Single Slide tuning coil

• Price in first year of sale
• 2.50 $

• Mentioned in
• September, 1909 Modern Electrics magazine advertisement page 286

• Literature/Schematics (1)
• August, 1909 Electrician & Mechanic magazine page v

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

• Other Models

• Here you find 6 models, 6 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Tri-Mount Wireless Supply Co.; Boston, Massachusetts