Large broad-sheets, not printed upon but written and ruled by hand in pencil, giving particulars of slate-making

This material is held atArchifdy Prifysgol Bangor / Bangor University Archives

  • Reference
    • GB 222 RHIW/3
  • Dates of Creation
    • August 1899-December 1899

Scope and Content

The two right end columns give the total cost of production for the various working "companies" and the "value of production". The figures in red ink are significant.

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