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
... feet Chain - Gunter's , or 66 - feet Chain - Divi- sions of Gunter's Chain - Décamètre Chain - Arrows - Offset Staff- 33 - feet Tape - Poles - Ranging Rods - Bundle of Laths - Whites- Equipment of a Surveyor - Field Book CHAPTER II ...
... feet Chain - Gunter's , or 66 - feet Chain - Divi- sions of Gunter's Chain - Décamètre Chain - Arrows - Offset Staff- 33 - feet Tape - Poles - Ranging Rods - Bundle of Laths - Whites- Equipment of a Surveyor - Field Book CHAPTER II ...
Seite 2
... feet , being the length of the link . It will be manifest that the 100 - feet chain has many great advan- tages , the chief being that it is so easily understood ; and it is further argued that its increased length over Gunter is ...
... feet , being the length of the link . It will be manifest that the 100 - feet chain has many great advan- tages , the chief being that it is so easily understood ; and it is further argued that its increased length over Gunter is ...
Seite 3
... Feet or 100 Links of 7-92 inches each . 0 10 20 30 40 50 00 90 80 70 60 50 오 .. 6040 70 80 90 30 20 10 100 0 So that the 1st , 2nd , 3rd , 4th , and 5th labels represent 10 , 20 , 30 , 40 , and 50 links respectively from either end . A ...
... Feet or 100 Links of 7-92 inches each . 0 10 20 30 40 50 00 90 80 70 60 50 오 .. 6040 70 80 90 30 20 10 100 0 So that the 1st , 2nd , 3rd , 4th , and 5th labels represent 10 , 20 , 30 , 40 , and 50 links respectively from either end . A ...
Seite 4
... feet. Tape . It. is. also. advisable. that. the. surveyor. should. carry in his pocket a small tape , say 33 ft . long , to be used only under circumstances when abso- lutely necessary . These tapes are divided into 50 links , similar to ...
... feet. Tape . It. is. also. advisable. that. the. surveyor. should. carry in his pocket a small tape , say 33 ft . long , to be used only under circumstances when abso- lutely necessary . These tapes are divided into 50 links , similar to ...
Seite 5
... feet for a greater part of the day , especially in winter , do not conduce to comfort or improve the temper . High- top boots are a great mistake , for not only do they impede the free action of the feet and are clumsy , especially in ...
... feet for a greater part of the day , especially in winter , do not conduce to comfort or improve the temper . High- top boots are a great mistake , for not only do they impede the free action of the feet and are clumsy , especially in ...
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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.