• Country
• Great Britain (UK)

• Manufacturer / Brand
• Gambrell Bros.Ltd., London

• Year
• 1922 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 119229

• Number of Tubes
• 3

• Valves / Tubes

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown)

• Tuned circuits
• 1 AM circuit(s)

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

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Office Radio - Gambrell Bros.Ltd., London

• Shape
• Tablemodel, with any shape - general.

• Notes
• Receiver consists of two units: The main receiver a remote tuning unit with two controls, one labeled with "off" and "Strengthen" (probably filament control), the other 180 degree like a tuning device. 10 ft. 4 wire cable. One caption reads "Earth" which somehow excludes an airborne use. 3 four pin valves, e.g."R".

• Source of data
• -- Collector info (Sammler)

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 42 models, 36 with images and 6 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Gambrell Bros.Ltd., London