• Country
• Great Britain (UK)

• Manufacturer / Brand
• Servis (Brand), Harris, Williams (Mfrs.) Ltd.; London

• Year
• 1930 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 347020

• Number of Transistors
• 5

• Semiconductors

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown)

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

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

• Loudspeaker
• -Loudspeaker incorporated, but system not known.

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: Suitcase Portable Five - Servis Brand, Harris, Williams

• Shape
• Portable set > 8 inch (also usable without mains)

• Notes

• Servis Suitcase Portable Five complete with valves, batteries and accumulator.

• Price in first year of sale
• 7.98 GBP

• Literature/Schematics (1)
• Wireless Trader 2nd August 1930 Page 4

• Author
• Model page created by Clive Forder. See "Data change" for further contributors.

• Other Models

• Here you find 2 models, 1 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Servis (Brand), Harris, Williams (Mfrs.) Ltd.; London