• Country
• Great Britain (UK)

• Manufacturer / Brand
• Marconi's Wireless Telegraph Co. Ltd.

• Year
• 1910 ??

• Category
• Radio part (not a module) 

• Radiomuseum.org ID
• 305554

• Wave bands
• - without

• Loudspeaker
• - - No sound reproduction output.

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Resistance variable double 692 - Marconi's Wireless Telegraph

• Dimensions (WHD)
• 160 x 70 x 145 mm / 6.3 x 2.8 x 5.7 inch

• Notes

• Inconnu

• Net weight (2.2 lb = 1 kg)
• 0.9 kg / 1 lb 15.7 oz (1.982 lb)

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

• Other Models

• Here you find 94 models, 92 with images and 17 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Marconi's Wireless Telegraph Co. Ltd.