• Country
• Austria

• Manufacturer / Brand
• Ingelen, Elektrotechnische Fabrik Ing. Ludwig Neumann GmbH; Wien

• Year
• 1928 ??

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

• Radiomuseum.org ID
• 85650

• • Brand: Elektrot.Fabrik Ludwig Neumann

• Main principle
• RF-Circuit or wave trap (separate, can also be an antenna with amp.)

• Power type and voltage
• No Power needed

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Zwischenkreis - Ingelen, Elektrotechnische

• Dimensions (WHD)
• 95 x 95 x 75 mm / 3.7 x 3.7 x 3 inch

• Notes
• rundes Gehäuse.

• Source of data
• - - Data from my own collection / Radiokatalog Band 2, Ernst Erb

• Author
• Model page created by Alois Steiner. See "Data change" for further contributors.

• Other Models

• Here you find 444 models, 392 with images and 321 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Ingelen, Elektrotechnische Fabrik Ing. Ludwig Neumann GmbH; Wien