• Country
• Great Britain (UK)

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

• Year
• 1925 ?

• Category
• Radio part (not a module) 

• Radiomuseum.org ID
• 223749

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• from Radiomuseum.org
• Model: LF Transformer - Lissen Ltd.; London and

• Notes
• 3 to 1 ratio in turns
  4 to 1 ratio in resistance. (They must mean winding resistance and not transformer as that is 9:1 for a 3:1 turns ratio!)
  Suitable for 1, 2 or 3 stages of L.F.

• 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