Letter from A.H. Leech, Engineer, to Harold Darbishire

This material is held atArchifdy Prifysgol Bangor / Bangor University Archives

  • Reference
    • GB 222 DARBAdd/53
  • Dates of Creation
    • 31 March 1925
  • Physical Description
    • 1 item
      Manuscript

Scope and Content

Containing figures relating to the output in the bitumous mines of the U.S.A. and Britain.

Output per person employed in the bitumous mines of the United States of America and Britain between the years 1913 and 1923.