• Country
• Great Britain (UK)

• Manufacturer / Brand
• Wingrove & Rogers (Polar), London

• Year
• 1925

• Category
• Radio part (not a module) 

• Radiomuseum.org ID
• 162412

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Various materials

• from Radiomuseum.org
• Model: Polar Bobbin Rheostat - Wingrove & Rogers Polar,

• Notes
• Choice of 5 / 10 / 15 / 20 / 40 Ohms.

• Literature/Schematics (1)
• Brown Brothers Catalog 1925/26

• Author
• Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.

• Other Models

• Here you find 5 models, 1 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Wingrove & Rogers (Polar), London