A Treatise on Surveying,: Containing the Theory and Practice: : to which is Prefixed a Perspicuous System of Plane Trigonometry. : The Whole Clearly Demonstrated and Illustrated by a Large Number of Appropriate Examples. : Particularly Adapted to the Use of SchoolsKimber and Sharpless, no. 93, Market Street, and John Richardson, no. 244, Market Street., 1820 - 206 páginas |
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Página 128
... bearings and distances of all the boundaries are given ; but when the field - work is accurately performed , the area may be calculated , if any two of the bearings or distances , or one bearing and distance be omitted . The method of ...
... bearings and distances of all the boundaries are given ; but when the field - work is accurately performed , the area may be calculated , if any two of the bearings or distances , or one bearing and distance be omitted . The method of ...
Página 129
... bearing of EC is S. 10 ° 47 ' W. As rad . 10.00000 Is to sec . of DCE 10 ° 47 ′ 10.00774 So is the diff . of lat . CD = 27.92 1.44592 11.45366 To the dist . EC 28.42 1.45366 The bearing and distance of the 3rd side is therefore S. 10 ...
... bearing of EC is S. 10 ° 47 ' W. As rad . 10.00000 Is to sec . of DCE 10 ° 47 ′ 10.00774 So is the diff . of lat . CD = 27.92 1.44592 11.45366 To the dist . EC 28.42 1.45366 The bearing and distance of the 3rd side is therefore S. 10 ...
Página 131
... bearing and distance of the last side were not taken on account of obstacles in the way ; but depending on the ac ... bearings and distances find their corres- ponding latitudes and departures , and what they want of balancing will be ...
... bearing and distance of the last side were not taken on account of obstacles in the way ; but depending on the ac ... bearings and distances find their corres- ponding latitudes and departures , and what they want of balancing will be ...
Página 132
... bearing and distance may be found as in the preceding example . Thus , To find the bearing . As diff . of lat . 6.11 S. 0.78604 Is to dep . 10.64 W. 1.02694 So is rad . 10.00000 11.02694 To tang . of bearing S. 60 ° 8 ' W. 10.24090 To ...
... bearing and distance may be found as in the preceding example . Thus , To find the bearing . As diff . of lat . 6.11 S. 0.78604 Is to dep . 10.64 W. 1.02694 So is rad . 10.00000 11.02694 To tang . of bearing S. 60 ° 8 ' W. 10.24090 To ...
Página 133
... bearing . I then proceeded to take the bear- ings and distances of the several sides to L ; and at L , I took the ... distance may Sta . Courses . Dist . N. S. E. W. be found as in the last example . MEASURING LAND . 133.
... bearing . I then proceeded to take the bear- ings and distances of the several sides to L ; and at L , I took the ... distance may Sta . Courses . Dist . N. S. E. W. be found as in the last example . MEASURING LAND . 133.
Términos y frases comunes
ABCD ABFD acres adjacent adjacent angles angle ABC angle opposite angled triangle base bearing and distance breadth Calculation centre Co-secant Secant Co-sine Co-tang column cube root decimal DEMONSTRATION departure corresponding diff difference of latitude Dist divide division line draw equal EXAMPLES feet figures find the angle find the area four-pole chains fourth term given angle given area given bearing given number given ratio given side John Gummere Lat Dep latitude and departure length logarithm M.
M. Sine measured meridian distance natural number off-sets parallel parallelogram perches perpendicular quired quotient radius rectangle remainder Required the area right angle right line right-angled triangle RULE semiperimeter side AB side AC square root station stationary line subtract survey tance Tang tangent tract of land trapezium trapezoid triangle ABC trigonometry