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  • Title
    Technical manual for use by prospective purchasers: ‘The Monarch 120 Call Connect System, Technical Description Part 1’
  • Reference
    MS/2186/2
  • Production date
    1981 - 1981
  • Creator
    • British TelecomBiography
  • Extent
    1 volume, 85 pages
  • Language
    English
  • Level of description
    FILE
  • Repository name
    Science Museum, London
  • Conditions governing access
    Open Access
  • Conditions governing Reproduction
    Copies may be supplied in accordance with current copyright legislation and Science Museum Group terms and conditions