• Country
• Switzerland

• Manufacturer / Brand
• Metrum AG; Wallisellen

• Year
• 1925

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 12461

• Number of Tubes
• 1

• Valves / Tubes

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC)

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Arwo-Gleichrichter - Metrum AG; Wallisellen

• Shape
• Tablemodel, with any shape - general.

• Notes
• Mit ARWO (Argon-Wolfram) Einweg-Gleichrichterröhre.

• External source of data
• E. Erb 3-907007-36-0

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Mentioned in
• 2512B

• Literature/Schematics (1)
• Schweizer Elektronenröhren 1917-2003, Willi E. (Seite 199)

• Other Models

• Here you find 1 models, 0 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Metrum AG; Wallisellen