• Country
• Germany

• Manufacturer / Brand
• Nora, Aron, Heliowatt; Berlin

• Year
• 1927/1928

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 3766

• Loudspeaker
• Magnetic loudspeaker (reed) generic.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Lautsprecher [Holz] - Nora, Aron, Heliowatt; Berlin

• Shape
• Table-Cathedral-Type (upright, round top or gothic arch, not rounded edges only).

• Notes

• Holzgehäuse mit sichtb.Papiermembran

• Source of data
• Radiokatalog Band 1, Ernst Erb

• Other Models

• Here you find 633 models, 556 with images and 342 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Nora, Aron, Heliowatt; Berlin