• Country
• France

• Manufacturer / Brand
• GMR (G.M.R.), Georg, Montastier et Rouge; Montrouge, Paris

• Year
• 1920 ??

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

• Radiomuseum.org ID
• 296626

• Main principle
• Tuner pre 1926 (not a wave trap)

• Power type and voltage
• No Power needed

• from Radiomuseum.org
• Model: Boite d'accord - GMR G.M.R., Georg, Montastier

• Dimensions (WHD)
• 145 x 175 x 220 mm / 5.7 x 6.9 x 8.7 inch

• Net weight (2.2 lb = 1 kg)
• 1.9 kg / 4 lb 3 oz (4.185 lb)

• Author
• Model page created by Musée des Radios Museum. See "Data change" for further contributors.

• Other Models

• Here you find 130 models, 103 with images and 30 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from GMR (G.M.R.), Georg, Montastier et Rouge; Montrouge, Paris