• 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
• 330611

• Number of Tubes
• 0

• Valves / Tubes
• V24

• Main principle
• Radio Frequency Amplification only

• Wave bands
• - without

• Power type and voltage
• Storage and/or dry batteries

• Loudspeaker
• - - No sound reproduction output.

• Material
• Wooden case, TUBES VISIBLE.

• from Radiomuseum.org
• Model: High Frequency Amplifier Unit No. 3 [V24 valve] - Marconi Scientific Instrument

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

• Notes

• Price including valve.

  See also this Unit No. 3 with Type R valve.

• Price in first year of sale
• 5.95 £

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

• 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