• Country
• United States of America (USA)

• Manufacturer / Brand
• Barber, Alfred W.;Flushing, N.Y.

• Year
• 1947 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 356977

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

• Number of Tubes
• 3

• Valves / Tubes
• 6J5GT 6J5GT 6X5GT

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 115 Volt

• Loudspeaker
• - - No sound reproduction output.

• from Radiomuseum.org
• Model: High Voltage Electronic Voltmeter Model 31A - Barber, Alfred W.;Flushing, N.

• Mentioned in
• Vacuum-Tube Voltmeters, John F. Rider, 2nd Edition, 1951

• Author
• Model page created by Wolfgang Müllner. See "Data change" for further contributors.

• Other Models

• Here you find 5 models, 2 with images and 4 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Barber, Alfred W.;Flushing, N.Y.