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Title
Letter from Brian Sandham to Denis Howroyd, regarding 'super-position' and its application to the railway 25kV system
Reference
UK0108 SC MSS 193/2/84
Date
22 December 1977
Scope and Content
Includes paper on the 3-phase system
Exent
5 ff.
Persons keyword
Howroyd Denis, British Railways Board
Subject
Voltage harmonics, Railway electrification
Conditions governing access
Open.
Level of description
Item

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110000003
Special Collection Manuscripts
contains 321 parts
- UK0108 SC MSS 193
  Denis Howroyd Papers on Voltage Harmonics
  contains 3 parts
  - UK0108 SC MSS 193/2
    Working papers of Denis Howroyd
    contains 83 parts
    
    UK0108 SC MSS 193/2/84
    Letter from Brian Sandham to Denis Howroyd, regarding 'super-position' and its application to the railway 25kV system

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