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
... Arrows - Offset Staff- 33 - feet Tape - Poles - Ranging Rods - Bundle of Laths - Whites- Equipment of a Surveyor - Field Book CHAPTER II . ORDINARY SURVEYING . Reconnoitre - Sketch Map - Stations- Main Stations - Subsidiary Sta- tions ...
... Arrows - Offset Staff- 33 - feet Tape - Poles - Ranging Rods - Bundle of Laths - Whites- Equipment of a Surveyor - Field Book CHAPTER II . ORDINARY SURVEYING . Reconnoitre - Sketch Map - Stations- Main Stations - Subsidiary Sta- tions ...
Seite viii
... Arrows for counting - As to Buildings - Lamp - posts , Gullies , & c.- As to Streams - As to Plotting 161-170 CHAPTER IX . LEVELLING . Definition - Curvature of the Earth - Allowance for the Earth's Curva- ture - Refraction - Necessary ...
... Arrows for counting - As to Buildings - Lamp - posts , Gullies , & c.- As to Streams - As to Plotting 161-170 CHAPTER IX . LEVELLING . Definition - Curvature of the Earth - Allowance for the Earth's Curva- ture - Refraction - Necessary ...
Seite xii
... ARROWS CHAIN ANGLES 10 39 . 10 25 CHAINING THROUGH HEDGES 12 12 CHECK LINES 36 , 37 , 38 24 CIRCLE Sketch 85 CIRCUMFERENTER 72 40 CLAMPING ARRANGEMENT 91 , 92 48 , 49 CLINOMETER RULE 56 33 CLIPS . 95 50 CLOSING A TRAVERSE 203 160 CLOSE ...
... ARROWS CHAIN ANGLES 10 39 . 10 25 CHAINING THROUGH HEDGES 12 12 CHECK LINES 36 , 37 , 38 24 CIRCLE Sketch 85 CIRCUMFERENTER 72 40 CLAMPING ARRANGEMENT 91 , 92 48 , 49 CLINOMETER RULE 56 33 CLIPS . 95 50 CLOSING A TRAVERSE 203 160 CLOSE ...
Seite 2
... now obsolete , and the statute acre ( 35th year of the reign of Edward I. ) , consisting of 160 square perches ( of 2724 square feet each ) , is general throughout England . CHAIN AND ARROWS . shapes to denote its value in 2 INTRODUCTION .
... now obsolete , and the statute acre ( 35th year of the reign of Edward I. ) , consisting of 160 square perches ( of 2724 square feet each ) , is general throughout England . CHAIN AND ARROWS . shapes to denote its value in 2 INTRODUCTION .
Seite 3
... Arrows . - Accompanying each chain are 10 arrows , or skewers , about 9 in . long , pointed at one end and having a ring * at the other for greater facility in carrying . These arrows are made of stout wire , and are used to mark upon ...
... Arrows . - Accompanying each chain are 10 arrows , or skewers , about 9 in . long , pointed at one end and having a ring * at the other for greater facility in carrying . These arrows are made of stout wire , and are used to mark upon ...
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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
Beliebte Passagen
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.