A Treatise on Mine-surveying |
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Page vii
... This illustrates the primitive method of connecting the underground and surface surveys by means of a stretched cord and two plumb - lines . February , 1889 . CONTENTS . CHAPTER I. GENERAL EXPLANATIONS . Surveying , Historical.
... This illustrates the primitive method of connecting the underground and surface surveys by means of a stretched cord and two plumb - lines . February , 1889 . CONTENTS . CHAPTER I. GENERAL EXPLANATIONS . Surveying , Historical.
Page x
... Surface - surveys with the miner's dial , ( 3. ) Colliery - surveys with the miner's dial , CHAPTER IV . THE VARIATION OF THE MAGNETIC - NEEDLE . Definitions , ( a . ) Secular variations , ( b . ) Diurnal variation , Irregular ...
... Surface - surveys with the miner's dial , ( 3. ) Colliery - surveys with the miner's dial , CHAPTER IV . THE VARIATION OF THE MAGNETIC - NEEDLE . Definitions , ( a . ) Secular variations , ( b . ) Diurnal variation , Irregular ...
Page xii
... SURFACE - SURVEYS WITH THE THEODOLITE . Triangulation , . Computing the sides of the triangles ,. Interior detail of the triangulation , American mining claims , PAGE 103 111 113 116 119 120 CHAPTER XI . PLOTTING THE SURVEY . Scales ...
... SURFACE - SURVEYS WITH THE THEODOLITE . Triangulation , . Computing the sides of the triangles ,. Interior detail of the triangulation , American mining claims , PAGE 103 111 113 116 119 120 CHAPTER XI . PLOTTING THE SURVEY . Scales ...
Page xiii
... SURFACE - SURVEYS . Methods employed , • 1. By means of an adit level , 2. By means of two shafts , 184 184 184 188 191 193 · 193 195 3. By means of one shaft , 4. By means of a transit instrument , 4a . The Severn tunnel method , 5. By ...
... SURFACE - SURVEYS . Methods employed , • 1. By means of an adit level , 2. By means of two shafts , 184 184 184 188 191 193 · 193 195 3. By means of one shaft , 4. By means of a transit instrument , 4a . The Severn tunnel method , 5. By ...
Page xiv
... surface , 213 Setting - out railways to mines , 213 Ranging curves , 213 Cross - sections , . 217 Driving levels underground , 217 Curves for engine planes , 219 Setting - out tunnels , • 219 CHAPTER XVII . MINE - SURVEYING PROBLEMS ...
... surface , 213 Setting - out railways to mines , 213 Ranging curves , 213 Cross - sections , . 217 Driving levels underground , 217 Curves for engine planes , 219 Setting - out tunnels , • 219 CHAPTER XVII . MINE - SURVEYING PROBLEMS ...
Contents
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Common terms and phrases
accuracy accurate adjusted base-line bearing bore-hole brass calculated centre chain City Guilds clamped clinometer coal colliery collimation compass compass-box contour lines cord corner cosec cotan cross-wires curve determined direction distance divided divisions employed equal error fathoms feet fixed fore-sight glass graduated ground height hole horizontal circle inches inches in diameter inclination instrument intersection latitude length line of sight lode magnetic bearing magnetic meridian magnetic-needle marked means measured meridian angle method metres mine-surveying miner's dial mines needle observations obtained offsets Ordnance Survey parallel parallel ruler perpendicular placed plane planimeter plate plotting plumb-bob plumb-line plummet position protractor represents 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
Popular passages
Page 17 - A Pocketbook of Electrical Rules and Tables for the use of Electricians and Engineers.
Page 16 - TABLE, in place of the usual Fifteen minute computations required. This alone is evidence of the assistance which the Tables ensure to every user, and as every Surveyor in active practice has felt the want of such assistance FEW KNOWING OF THEIR PUBLICATION WILL REMAIN WITHOUT THEM.
Page 25 - Contains the pith of what has been written by the best scholars on the subject. The notes comprise everything that the student can want.
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Page 23 - AE A Manual of Marine Engineering. Comprising the Designing, Construction and Working of Marine Machinery.
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