• Country
• Great Britain (UK)

• Manufacturer / Brand
• Marconi Scientific Instrument Co. LTD.,The; London

• Year
• 1916 ??

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

• Radiomuseum.org ID
• 303893

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

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• No Power needed

• Material
• Wooden case

• from Radiomuseum.org
• Model: Tuner Type M.21 - Marconi Scientific Instrument

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 410 x 250 x 300 mm / 16.1 x 9.8 x 11.8 inch

• Net weight (2.2 lb = 1 kg)
• 8.9 kg / 19 lb 9.7 oz (19.604 lb)

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

• Other Models

• Here you find 36 models, 36 with images and 4 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Marconi Scientific Instrument Co. LTD.,The; London