• Country
• Great Britain (UK)

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

• Year
• 1922

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

• Radiomuseum.org ID
• 302250

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Telephone Transformer Unit No. 6 - Marconi Scientific Instrument

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 100 x 140 x 180 mm / 3.9 x 5.5 x 7.1 inch

• Notes

• Telephone Transformer (AF) for 120 ohm phones.

• Net weight (2.2 lb = 1 kg)
• 0.7 kg / 1 lb 8.7 oz (1.542 lb)

• Mentioned in
• -- Original prospect or advert (MSI catalog 1922)

• 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