• Country
• Great Britain (UK)

• Manufacturer / Brand
• Master, Manchester

• Year
• 1924/1925

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

• Radiomuseum.org ID
• 247501

• 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
• Wooden case

• from Radiomuseum.org
• Model: Master Junior [late; BBC/EBM stamp] - Master, Manchester

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

• Dimensions (WHD)
• 5.25 x 1.5 x 3.75 inch / 133 x 38 x 95 mm

• Notes

• GPO No.899; BBC/EBM stamp; the transfer "Master Junior" ison the side of the case.

   

• Mentioned in
• Tickling the Crystal; Sanders (vol.2; p.93)

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

• Other Models

• Here you find 5 models, 4 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Master, Manchester