• Country
• Great Britain (UK)

• Manufacturer / Brand
• Graves, J.G. Ltd.; Sheffield

• Year
• 1926

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 77274

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

• Number of Tubes
• 2

• Valves / Tubes

• Main principle
• TRF with regeneration

• Tuned circuits
• 1 AM circuit(s)

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

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

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Vulcan 3rd version [2 front switches] - Graves, J.G. Ltd.; Sheffield

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

• Dimensions (WHD)
• 10 x 9 x 8.5 inch / 254 x 229 x 216 mm

• Notes
• Knob for tuning, lever for reaction. Switches for power and for waveband change.

• Mentioned in
• Radio! Radio!

Article in Wireless World, July 27th, 1927

487 KB

• Documents regarding this model

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

• Other Models

• Here you find 17 models, 15 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Graves, J.G. Ltd.; Sheffield