• Country
• Great Britain (UK)

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

• Year
• 1923 ?

• Category
• Radio part (not a module) 

• Radiomuseum.org ID
• 128789

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Various materials

• from Radiomuseum.org
• Model: Variable Grid Leak - Watmel Wireless Co, Ltd.;

• Dimensions (WHD)
• 31 x 31 x 75 mm / 1.2 x 1.2 x 3 inch

• Notes
• Variable resistor, based on Patent #206098. Variable contact on carbon surface by compression by the multi-turn knob. Panel mount. Variation 0.5 to 5 MegOhms.

• Mentioned in
• Wireless Weekly (Nov 28, 1923, Page 704.)

• 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