A Treatise on Mine-surveying |
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Page ii
... ENGINEERS . BY R. LLOYD GURDEN , Authorised Surveyor for the Governments of New South Wales and Victoria " Mr. GURDEN is ... Engineer . " We cannot sufficiently admire the heroic patience of the author , who , in order to prevent error ...
... ENGINEERS . BY R. LLOYD GURDEN , Authorised Surveyor for the Governments of New South Wales and Victoria " Mr. GURDEN is ... Engineer . " We cannot sufficiently admire the heroic patience of the author , who , in order to prevent error ...
Page iii
... ENGINEERS ; INSTRUCTOR IN MINE - SURVEYING AT THE NORMAL SCHOOL OF SCIENCE AND ROYAL SCHOOL OF MINES . With Bumerous Diagrams , LONDON : CHARLES GRIFFIN AND COMPANY , EXETER STREET , STRAND , 1888 . ( All Rights Reserved . ) PREFACE ...
... ENGINEERS ; INSTRUCTOR IN MINE - SURVEYING AT THE NORMAL SCHOOL OF SCIENCE AND ROYAL SCHOOL OF MINES . With Bumerous Diagrams , LONDON : CHARLES GRIFFIN AND COMPANY , EXETER STREET , STRAND , 1888 . ( All Rights Reserved . ) PREFACE ...
Page v
... Harz . Attention therefore has been directed to the recent improvements in foreign practice . With the exception of a few diagrams borrowed from Professor Rankine's Manual of Civil Engineering , the figures elucidating the.
... Harz . Attention therefore has been directed to the recent improvements in foreign practice . With the exception of a few diagrams borrowed from Professor Rankine's Manual of Civil Engineering , the figures elucidating the.
Page vi
Bennett Hooper Brough. Rankine's Manual of Civil Engineering , the figures elucidating the text have been specially drawn for this book . The Appendix of examination - questions and exercises for plotting has been culled from recent ...
Bennett Hooper Brough. Rankine's Manual of Civil Engineering , the figures elucidating the text have been specially drawn for this book . The Appendix of examination - questions and exercises for plotting has been culled from recent ...
Page 148
... engineer , as the fairest and most trustworthy : -Let it be required to calculate the ore- reserves in a mine opened up on a vein with a mean cross - section of 6 feet ; a cubic foot of the vein matter in place weighing 150 lbs . The ...
... engineer , as the fairest and most trustworthy : -Let it be required to calculate the ore- reserves in a mine opened up on a vein with a mean cross - section of 6 feet ; a cubic foot of the vein matter in place weighing 150 lbs . The ...
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Common terms and phrases
accuracy accurate adjusted back-sight base-line bearing bore-hole brass calculated centre chain City Guilds clamped clinometer coal colliery collimation colour compass compass-box contour lines cord corner cosec cotan cross-wires curve determined direction distance employed equal error fathoms feet fixed fore-sight glass graduated ground height hole horizontal circle inches inches in diameter inclination instrument intersection latitude length lode magnetic bearing magnetic meridian magnetic-needle marked means measured method metres mine-surveying miner's dial mines needle observations obtained offsets Ordnance Survey parallel parallel ruler perpendicular placed plane plate plotting plumb-bob plumb-line plummet position protractor represented right angles safety-lamp scale seam shaft side Silver King spirit-level square staff station station-line strike and dip surface surface-surveys survey tacheometer tacheometry taken tangent screw telescope theodolite transit-theodolite traverse triangle tripod tube underground vernier vernier-plate vertical angles wire yards zero