Practical Surveying: A Text-book for Students Preparing for Examinations Or for Survey-work in the ColoniesC. Lockwood and Son, 1889 - 272 Seiten |
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Seite v
... Sketch Map - Stations- Main Stations - Subsidiary Sta- tions - Testing the Chain - Test Gauge - Chain and Arrows : throwing out and doing up - Chain - men - Leader's Duties - Duty of Follower -How to use the Chain - Crossing Hedges ...
... Sketch Map - Stations- Main Stations - Subsidiary Sta- tions - Testing the Chain - Test Gauge - Chain and Arrows : throwing out and doing up - Chain - men - Leader's Duties - Duty of Follower -How to use the Chain - Crossing Hedges ...
Seite xi
... Sketch BOUNDARIES BOX SEXTANT BROKEN GROUND BRUSHWOOD BUILDINGS , TO SURVEY 22 , 23 , 26 13 , 14 , 15 108 , 109 , 110 , 111 , 112 , 113 Sketch Sketch 216 , 217 , 227 , 231 , 241 , 175 , 176 , 183 , 292 , 293 . 219 , 220 , 221 , 222 ...
... Sketch BOUNDARIES BOX SEXTANT BROKEN GROUND BRUSHWOOD BUILDINGS , TO SURVEY 22 , 23 , 26 13 , 14 , 15 108 , 109 , 110 , 111 , 112 , 113 Sketch Sketch 216 , 217 , 227 , 231 , 241 , 175 , 176 , 183 , 292 , 293 . 219 , 220 , 221 , 222 ...
Seite xii
... Sketch 85 DIRECTION OF LINE Sketch 135 DITCH Sketch 133 DIVIDERS 302 , 303 239 , 240 DIVISIONS OF CHAIN Sketch 3 DOUBLE SEXTANT 113a 63 DRAWING INSTRUMENTS 304 240 DRAWING PEN 300 , 301 . 237 , 238 DRAWING TABLE 285 , 286 . 231 E. INDEX ...
... Sketch 85 DIRECTION OF LINE Sketch 135 DITCH Sketch 133 DIVIDERS 302 , 303 239 , 240 DIVISIONS OF CHAIN Sketch 3 DOUBLE SEXTANT 113a 63 DRAWING INSTRUMENTS 304 240 DRAWING PEN 300 , 301 . 237 , 238 DRAWING TABLE 285 , 286 . 231 E. INDEX ...
Seite xiii
... Sketch 229 , 230 136 , 137 8 133 184 Sketch 133 Sketch 134 Sketch 133 11 11 xiii I. INACCESSIBLE POINTS INACCESSIBLE POINTS 41 , 42 , 43 , 44 , 45 , 46 122 . 26 , 27 , 28 68 INACCESSIBLE POINTS 178 , 179 , 180 130 , 131 INTERMEDIATE ...
... Sketch 229 , 230 136 , 137 8 133 184 Sketch 133 Sketch 134 Sketch 133 11 11 xiii I. INACCESSIBLE POINTS INACCESSIBLE POINTS 41 , 42 , 43 , 44 , 45 , 46 122 . 26 , 27 , 28 68 INACCESSIBLE POINTS 178 , 179 , 180 130 , 131 INTERMEDIATE ...
Seite xiv
... Sketch 85 Sketch 86 OFFSETS 17 , 21 14 , 16 OFFSETS 211 . 167 OFFSETS WITH OPTICAL SQUARE 19 , 20 15 , 16 OFFSET WITH STAFF 18 15 OFFSET SCALE 298 237 OFFSET STAFF 1 , 2 4 OMNIMETER 142 82 OPTICAL SQUARE 50 , 51 , 52 , 53 , 54 30 , 31 ...
... Sketch 85 Sketch 86 OFFSETS 17 , 21 14 , 16 OFFSETS 211 . 167 OFFSETS WITH OPTICAL SQUARE 19 , 20 15 , 16 OFFSET WITH STAFF 18 15 OFFSET SCALE 298 237 OFFSET STAFF 1 , 2 4 OMNIMETER 142 82 OPTICAL SQUARE 50 , 51 , 52 , 53 , 54 30 , 31 ...
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accuracy accurately adjusted arrow axis back and fore back-sight beam compasses bench-mark boundaries centre chain chain-line chords clamped clinometer colour commencement compass consequently Cosec cosine cross-staff cross-wires curve direction distance ditch divided DUMPY LEVEL end of line equal feet fence field-book figures fixed fore sight ground hedge hypotenuse illustration inch instrument intermediate intersection length line A B line of collimation logarithm mark means measured necessary observed offsets parallel plate pencil perpendicular plane plot plumb-bob position post-and-rail fence quadrant radius ratio reading reference represent right angles scale screw secant seen sextant shown side sine sketch square staff station straight line survey surveyor take the angle tangent tangential angle telescope theodolite tion traverse triangle trigonometry upper vernier whilst Wimbledon Park wires zero دو دو
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Seite 86 - If two triangles have two sides of the one equal to two sides of the...
Seite 89 - IF a straight line fall upon two parallel straight lines, it makes the alternate angles equal to one another; and the exterior angle equal to the interior and opposite upon...
Seite 85 - When a straight line standing on another straight line makes the adjacent angles equal to one another, each of the angles is called a right angle ; and the straight line which stands on the other is called a perpendicular to it.
Seite 61 - When you have proved that the three angles of every triangle are equal to two right angles...
Seite 85 - A circle is a plane figure contained by one line, which is called the circumference, and is such, that all straight lines drawn from a certain point within the figure to the circumference are equal to one another : 16.
Seite 92 - In any right-angled triangle, the square which is described on the side subtending the right angle is equal to the sum of the squares described on the sides which contain the right angle.
Seite 116 - In any plane triangle, as the sum of the sides about the vertical angle is to their difference, so is the tangent of half the sum of the angles at the base to the tangent of half their difference.
Seite 85 - A plane rectilineal angle is the inclination of two straight lines to one another, which meet together, but are not in the same straight line.
Seite 127 - As the sum of the two given sides Is to their difference, So is the tangent of half the sum of their opposite angles To the tangent of half the difference of the same angles.
Seite 85 - A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference.