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  • Title
    Modification to Discharge Valve Type OP. 2770
  • Reference
    YA2007.25/1/1/2/1
  • Production date
    14-08-1959 - 14-08-1959
  • Scope and Content
    A 1:1 scale black and white design drawing of a Type OP2770 Discharge Valve with a further 4 diagrams of the valve in sections (Old Ref: Drawing No. T104). Also includes the 5 stage procedure to modify the valve.
  • Language
    English
  • Level of description
    ITEM
  • Repository name
    Science and Industry Museum
  • Associated people and organisations
    • P Frankenstein & Sons LtdBiography
    • Wright, Ian BBiography
  • Subject
  • 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.