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Results of the magnetic observations made by the Ordnance Survey in England and Wales in 1928 and preliminary results (declination only) of those made in Scotland in 1929

By: Language: English Publication details: London HMSO 1930Description: 7p. 31cmSubject(s): LOC classification:
  • 522.11 $2 18
Summary: Discusses declination, inclination and horizontal force as part of a magnetic survey.