• Country
• Great Britain (UK)

• Manufacturer / Brand
• Pettigrew & Merriman, Ltd.; London

• Year
• 1927

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 202755

• Number of Tubes
• 5

• Valves / Tubes

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

• Tuned circuits
• 3 AM circuit(s)

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

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

• Loudspeaker
• -Loudspeaker incorporated, but system not known.

• Material
• Wooden case

• from Radiomuseum.org
• Model: 5-Valve Portable Receiver - Pettigrew & Merriman, Ltd.;

• Shape
• Portable set > 8 inch (also usable without mains)

• Notes
• This receiver employs resistance capacity coupling throughout and embodies two stages of HF amplification, a detector and two stages of LF amplification. Long and short wave. Mahogany case and self-contained frame aerial.

• 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 3 models, 3 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Pettigrew & Merriman, Ltd.; London