• Country
• France

• Manufacturer / Brand
• Unknown - CUSTOM BUILT: France (INCONNU)

• Year
• 1916 ?

• Category
• Radio module pre 1926 (not a part, not a key)

• Radiomuseum.org ID
• 173109

• Number of Tubes
• 2

• Valves / Tubes
• TM TM

• Wave bands
• - without

• Power type and voltage
• Storage and/or dry batteries / 4 & 80 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• TUBES VISIBLE, material not known.

• from Radiomuseum.org
• Model: Hétérodyne - Unknown - CUSTOM BUILT: France

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Notes
• Local oscillator. May be used as BFO or as converter.

• Literature/Schematics (1)
• La Science et la Vie, Mars 1920

• Author
• Model page created by John Koster. See "Data change" for further contributors.

• Other Models

• Here you find 268 models, 252 with images and 16 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Unknown - CUSTOM BUILT: France (INCONNU)