• Country
• Great Britain (UK)

• Manufacturer / Brand
• Automobile Accessories (Bristol) Ltd.; Bristol

• Year
• 1927

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 202914

• Number of Tubes
• 3

• Valves / Tubes

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

• Wave bands
• Broadcast (MW) and Long Wave.

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

• Loudspeaker
• - This model requires external speaker(s).

• Material
• Wooden case

• from Radiomuseum.org
• Model: P.D. Mark XX - Automobile Accessories Bristol

• Dimensions (WHD)
• 22 x 13.5 x 10 inch / 559 x 343 x 254 mm

• Notes
• Tuned HF transformer, anode bend, transformer-coupled LF valve. Wave range 300-500 and 1000-2000 metres. With calibration chart. Oak or mahogany American cabinet.

• Price in first year of sale
• 14.00 GBP

• Source of data
• Wireless World (The), London (WW, 79)

• Author
• Model page created by John Koster. See "Data change" for further contributors.

• Other Models

• Here you find 14 models, 2 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Automobile Accessories (Bristol) Ltd.; Bristol