• Country
• Great Britain (UK)

• Manufacturer / Brand
• Ediswan, Edison Swan Electric Co.; London

• Year
• 1923 ?

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 127299

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - only for Earphone!

• Material
• Various materials

• from Radiomuseum.org
• Model: Headphones - Ediswan, Edison Swan Electric

• Notes
• Headphones, total impedance 4000 ohms.
  PMG stamp, no GPO number.

• Literature/Schematics (1)
• - - Data from my own collection

• Author
• Model page created by Giuseppe Antonio Tusini. See "Data change" for further contributors.

• Other Models

• Here you find 21 models, 16 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Ediswan, Edison Swan Electric Co.; London