Diamond Drilling for Gold and Other Minerals: A Practical Handbook on the Use of Modern Diamond Core Drills in Prospecting and Exploiting Mineral-bearing Properties, Including Particulars of the Cost of Apparatus and of WorkingC. Lockwood and son, 1900 - 158 páginas |
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Diamond Drilling for Gold and Other Minerals: A Practical Handbook on the ... George Alfred Denny Sin vista previa disponible - 2017 |
Términos y frases comunes
Agricultural angle Architect Author banket boiler borehole boring Bullock carbons CLINOSTAT cloth Just Published coal complete connection Construction contains core core-barrel core-lifter cost Crown 8vo D. K. CLARK depth derrick Diagrams diameter diamond drill drill-rods drill-runner drilling-bit drive-rod Electrical Engineer ENGINEER'S Farm Fcap feed-screw feet per week Fifth Edition fitted Formulæ Fourth Edition friction gear Guide half-bound HENRY LAW hoisting hoisting-plug hole hydraulic feed inches Iron Journal Kafirs leather Locomotive lower machine Machinery Management Manufacture Mechanical Medium 8vo method Mining Modern numerous Illustrations operation outfit pipe Plates position Practical Handbook Practical Manual Practical Treatise Price pump RALPH TATE reamer reaming recommend reef rock rods rope S. P. WOODWARD safety-clamp SCOTT BURN screw Second Edition shaft Sixth Edition stand-pipe steam Students SULLIVAN supply surface Surveyor swivel-head Tables text-book Third Edition Timber Transvaal tube valuable valves W. K. BURTON water-swivel Weight Woodcuts