• Country
• Great Britain (UK)

• Manufacturer / Brand
• Watmel Wireless Co, Ltd.; Edgware, Middlesex

• Year
• 1924 ??

• Category
• Radio part (not a module) 

• Radiomuseum.org ID
• 128790

• Main principle
• RF-Circuit or wave trap (separate, can also be an antenna with amp.)

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

• Power type and voltage
• No Power needed

• Loudspeaker
• - For headphones or amp.

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Universal Dual Range Tuner 31 - Watmel Wireless Co, Ltd.;

• Shape
• Chassis only or for «building in»

• Notes
• Coil for 200-600m & 1.000-2.000m, built-in switch, consists of 3 coils made of green RF wire including antenna coupler and regeneration coil, 7 screw terminals.

• Source of data
• -- Collector info (Sammler)

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 7 models, 7 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Watmel Wireless Co, Ltd.; Edgware, Middlesex