The Practical Miners Guide: Comprising a Set of Trigonometrical Tables Adapted to All Purposes of Oblique or Diagonal, Vertical, Horizontal and Traverse Dialling (1866) - Tapa dura

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With Their Application To The Dial Exercise Of Shafts, Adits, Drifts, Loden, Slides, Leveling, Inaccessible Distances, Heights, Etc.; Also, A Treatise On The Art And Practice Of Assaying Silver, Copper, Lead And Tin.