• Country
• Sweden

• Manufacturer / Brand
• Ericsson (L.M.), Allmänna Telefonaktiebolaget; Stockholm

• Year
• 1915 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 334127

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Wooden case

• from Radiomuseum.org
• Model: DC Voltmeter VRT 21 - Ericsson L.M., Allmänna

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Dimensions (WHD)
• 100 x 120 x 45 mm / 3.9 x 4.7 x 1.8 inch

• Notes

• DC Voltmeter  1,5 - 3 - 6 V

• Author
• Model page created by Santiago Guasp. See "Data change" for further contributors.

• Other Models

• Here you find 18 models, 14 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Ericsson (L.M.), Allmänna Telefonaktiebolaget; Stockholm