• Country
• Great Britain (UK)

• Manufacturer / Brand
• Brown S. G. Ltd.; London

• Year
• 1922 ?

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 96051

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Storage and/or dry batteries / 6 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Telephone Relay - Brown S. G. Ltd.; London

• Dimensions (WHD)
• 137 x 158 x 80 mm / 5.4 x 6.2 x 3.1 inch

• Notes
• elektromechanischer Verstärker.

• Source of data
• - - Data from my own collection

• Author
• Model page created by Gerhard Haberzettl. See "Data change" for further contributors.

• Other Models

• Here you find 54 models, 44 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Brown S. G. Ltd.; London