• Country
• Great Britain (UK)

• Manufacturer / Brand
• Tofield, H.C., Ltd., (Tolfield); Birmingham

• Year
• 1923/1924

• Category
• Detector-Radio (Crystal or diode, without tubes/transistors)

• Radiomuseum.org ID
• 76757

Click on the schematic thumbnail to request the schematic as a free document.

• Main principle
• Crystal or Solid State Detector

• Tuned circuits
• 1 AM circuit(s)

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

• Power type and voltage
• No Power needed

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Syren - Tofield, H.C., Ltd., Tolfield;

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Dimensions (WHD)
• 9 x 5 x 6 inch / 229 x 127 x 152 mm

• Notes
• loading coil for LW; BBC/PMG stamp, GPO No.460;

• Source of data
• Tickling the Crystal; Sanders

• Author
• Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.

• Other Models

• Here you find 1 models, 1 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Tofield, H.C., Ltd., (Tolfield); Birmingham