• Country
• Germany

• Manufacturer / Brand
• Esi, Werner Schmidt; Berlin

• Year
• 1927

• Category
• Detector-Radio (Crystal or diode, without tubes/transistors)

• Radiomuseum.org ID
• 14476

• Main principle
• Crystal or Solid State Detector; Crystal-detection 1 circuit (no tubes)

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• No Power needed

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Detektor-Empfänger [Innenspule] - Esi, Werner Schmidt; Berlin

• Notes
• Steilpult, eingebaute Spule.

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

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Mentioned in
• Historische Radios Band I (37)

• Other Models

• Here you find 6 models, 2 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Esi, Werner Schmidt; Berlin