• Country
• Germany

• Manufacturer / Brand
• Graetz Radio, Berlin Treptow SO36, Vorkrieg

• Year
• 1927

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 1643

• Loudspeaker
• Magnetic loudspeaker (reed) generic.

• from Radiomuseum.org
• Model: Lautsprecher - Graetz Radio, Berlin Treptow

• Notes
• Art-Deco-Design, oben rund, schwarz

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Picture reference
• Eine Abbildung findet sich im Doppelband "Radios von gestern"

• Other Models

• Here you find 75 models, 68 with images and 60 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Graetz Radio, Berlin Treptow SO36, Vorkrieg