• Country
• Germany

• Manufacturer / Brand
• Isaria Zählerwerke AG; München

• Year
• 1925/1926

• Category
• Radio module post 1925 (not a part, not a key)

• Radiomuseum.org ID
• 15113

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Wellenfilter F - Isaria Zählerwerke AG; München

• Shape
• Tablemodel, slant panel.

• Notes
• Steilpult

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

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Other Models

• Here you find 38 models, 28 with images and 13 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Isaria Zählerwerke AG; München