The Practical Miner's Guide: comprising a set of trigonometrical tables adapted to all purposes of oblique or diagonal, vertical, horizontal, and ... of shafts, adits, drifts, lodes, slides - Softcover

Budge, John

 
9783337484088: The Practical Miner's Guide: comprising a set of trigonometrical tables adapted to all purposes of oblique or diagonal, vertical, horizontal, and ... of shafts, adits, drifts, lodes, slides

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