• Country
• United States of America (USA)

• Manufacturer / Brand
• Alden Wireless Company; Brockton, Massachusetts

• Year
• 1911 ?

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

• Radiomuseum.org ID
• 361640

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

• Wave bands
• Broadcast and LongWave in ONE range.

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Various materials

• from Radiomuseum.org
• Model: Two-Slide Tuner No. 3 - Alden Wireless Company;

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 12 x 4 x 4 inch / 305 x 102 x 102 mm

• Notes

• Alden Wirless Company two-slide tuning coil.  

• Mentioned in
• -- Original prospect or advert ("The Wireless Operators' Pocketbook Of Information And Diagrams", by Leon W. Bishop, 1911, page 206)

• Author
• Model page created by David Smith. 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 Alden Wireless Company; Brockton, Massachusetts