Practical Surveying: A Text-book for Students Preparing for Examinations Or for Survey-work in the ColoniesC. Lockwood and Son, 1889 - 272 σελίδες |
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Αποτελέσματα 1 - 5 από τα 36.
Σελίδα v
... Square and how to use it - As to Buildings - Corners of Fields - To fix Position of an Intersection - Limit of Offsets - Pacing — Objections to Tapes for Offsets - Offset Staff - Ranging out Lines - What is Level Ground - Observing ...
... Square and how to use it - As to Buildings - Corners of Fields - To fix Position of an Intersection - Limit of Offsets - Pacing — Objections to Tapes for Offsets - Offset Staff - Ranging out Lines - What is Level Ground - Observing ...
Σελίδα xiv
... SQUARE 19 , 20 OFFSET WITH STAFF 18 . OFFSET SCALE 298 OFFSET STAFF OMNIMETER OPTICAL SQUARE ORCHARDS • ORDNANCE BENCH MARK 1 , 2 142 50 , 51 , 52 , 53 , 54 Sketch 226 P. PANTAGRAPH 323 PARALLEL LINES PARALLEL RULER Sketch 295 86 , 87 ...
... SQUARE 19 , 20 OFFSET WITH STAFF 18 . OFFSET SCALE 298 OFFSET STAFF OMNIMETER OPTICAL SQUARE ORCHARDS • ORDNANCE BENCH MARK 1 , 2 142 50 , 51 , 52 , 53 , 54 Sketch 226 P. PANTAGRAPH 323 PARALLEL LINES PARALLEL RULER Sketch 295 86 , 87 ...
Σελίδα xv
... SQUARE SETTING OUT CURVES WITH 296 , 297 . 236 THEODOLITE 268 to 279 210 to 223 SETTING OUT CURVES BY OFFSETS 280 to 284 224 to 227 SEXTANT , DOUBLE 113а 63 · SINES , COSINES , ETC. · 164 , 165 , 166 104 , 105 , 107 SKEW - CHAINING 16 ...
... SQUARE SETTING OUT CURVES WITH 296 , 297 . 236 THEODOLITE 268 to 279 210 to 223 SETTING OUT CURVES BY OFFSETS 280 to 284 224 to 227 SEXTANT , DOUBLE 113а 63 · SINES , COSINES , ETC. · 164 , 165 , 166 104 , 105 , 107 SKEW - CHAINING 16 ...
Σελίδα 2
... square perches ( of 272 square feet each ) , is general throughout England . CHAIN AND ARROWS . shapes to denote its value in INTRODUCTION .
... square perches ( of 272 square feet each ) , is general throughout England . CHAIN AND ARROWS . shapes to denote its value in INTRODUCTION .
Σελίδα 3
... square chains . Offset Staff . - Besides the chain , the surveyor should be pro- vided with a small staff or rod ( called an offset staff ) , 6 ft . 7.20 in . long , divided into 10 parts or links . This staff should be made of well ...
... square chains . Offset Staff . - Besides the chain , the surveyor should be pro- vided with a small staff or rod ( called an offset staff ) , 6 ft . 7.20 in . long , divided into 10 parts or links . This staff should be made of well ...
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
A B C accuracy accurately adjusted arrow axis back and fore back-sight beam compasses bench-mark boundaries centre chain chain-line check-lines chords clamped clinometer column commencement compass consequently Cosec cosine cross-wires curvature curve datum direction distance divided end of line equal feet fence field-book figures fixed fore sights ground hedge horizontal hypotenuse inches instrument intermediate intersection length level-book line A B line of collimation logarithm magnetic north mark means measured necessary observed offsets parallel plates pencil perpendicular plane plotted plumb-bob position post-and-rail fence quadrant radius reading reference right angles scale screw seen sextant side sine sketch slope square staff station straight line streets survey surveyor take the angle taken tangent tangential angle telescope theodolite tion traverse triangle trigonometry vernier vertical whilst Wimbledon Park wires zero
Δημοφιλή αποσπάσματα
Σελίδα 86 - If two triangles have two sides of the one equal to two sides of the...
Σελίδα 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...
Σελίδα 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.
Σελίδα 61 - When you have proved that the three angles of every triangle are equal to two right angles...
Σελίδα 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.
Σελίδα 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.
Σελίδα 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.
Σελίδα 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.
Σελίδα 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.
Σελίδα 85 - A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference.