The practical miners' guide; comprising a set of trigonometrical tables adapted to all purposes of oblique or diagonal, vertical, horizontal, and traverse dialling, with their application to the dial exercise of shafts, adits, drifts, loden, slides, levelling, inaccessible distances, heights, etc.; also, a treatise on the art and practice of assaying silver, copper, lead and tin ..
Budge, J. (John)