• Country
• Great Britain (UK)

• Manufacturer / Brand
• Radi-Arc Electrical, London

• Year
• 1927

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 202717

• Number of Tubes
• 1

• Valves / Tubes

• Main principle
• Superheterodyne (common)

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

• Power type and voltage
• Storage and/or dry batteries / 2 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Wooden case, TUBES VISIBLE.

• from Radiomuseum.org
• Model: Liberty Heterodyne Wavemeter - Radi-Arc Electrical, London

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

• Notes
• Calibrated wavemeter. Fitted with three plug-in wave coils covering wavelengths of 200 to 3,000 metres, calibration being indicated by a chart. Fitted with a two volt valve operated from external batteries.

• 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 6 models, 2 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Radi-Arc Electrical, London