• Country
• Great Britain (UK)

• Manufacturer / Brand
• Marconi Co. (Marconiphone, Marconi's Wireless Telegraph Co. Ltd.), GB (not tubes - see also HMV His Master's Voice)

• Year
• 1923

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

• Radiomuseum.org ID
• 76215

• Main principle
• Crystal or Solid State Detector

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• No Power needed

• Loudspeaker
• - For headphones or amp.

• Material
• Various materials

• from Radiomuseum.org
• Model: Marconiphone Baby - Marconi Co. Marconiphone,

• Shape
• Miscellaneous shapes - described under notes.

• Dimensions (WHD)
• 125 x 100 x 85 mm / 4.9 x 3.9 x 3.3 inch

• Notes
• black ebonite oval base; BBC/PMG stamp; GPO No.4215; see also later versions: "Universal Baby" for MW/LW and "Chelmsford Baby" for LW only;

• Source of data
• Radio! Radio!

• Literature/Schematics (1)
• Molnár János, A rádiótelefon..., Budapest 1925.

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

• Other Models

• Here you find 502 models, 335 with images and 317 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Marconi Co. (Marconiphone, Marconi's Wireless Telegraph Co. Ltd.), GB (not tubes - see also HMV His Master's Voice)