• Country
• Great Britain (UK)

• Manufacturer / Brand
• Lissen Ltd.; London and Richmond, Surrey

• Year
• 1925 ?

• Category
• Radio part (not a module) 

• Radiomuseum.org ID
• 223763

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• from Radiomuseum.org
• Model: Push-Pull Series-Parallel switch - Lissen Ltd.; London and

• Notes
• "Switches that do not Short when changing over." £0.125 = 2/6

• Author
• Model page created by Michael Watterson. See "Data change" for further contributors.

• Other Models

• Here you find 159 models, 124 with images and 58 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Lissen Ltd.; London and Richmond, Surrey