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 83
... from it , will shew the com- mencement of the succeeding chain . The bearing or course of a line is its situation in re- A line running due north and south is called a spect to the north and south points of the horizon . MEASURING LAND .
... from it , will shew the com- mencement of the succeeding chain . The bearing or course of a line is its situation in re- A line running due north and south is called a spect to the north and south points of the horizon . MEASURING LAND .
Página 84
... running due north and south is called a meridian line . The bearing of a line is expressed by the angle con- tained between it , and a meridian line passing through one of its ends , and is said to be north so many degrees east or west ...
... running due north and south is called a meridian line . The bearing of a line is expressed by the angle con- tained between it , and a meridian line passing through one of its ends , and is said to be north so many degrees east or west ...
Página 157
... running from the point A to the side BC . Bearing of BA , N. 87 ° 1 E. BC , N. 271 E. As ABxsin . Bin B. 60 ° Angle B , 60 ° SAB 16.25 ch . Ar . Co. 8.78915 0.06247 2.30103 10.00000 1.15265 : twice the given area 200 sq . ch . :: rad ...
... running from the point A to the side BC . Bearing of BA , N. 87 ° 1 E. BC , N. 271 E. As ABxsin . Bin B. 60 ° Angle B , 60 ° SAB 16.25 ch . Ar . Co. 8.78915 0.06247 2.30103 10.00000 1.15265 : twice the given area 200 sq . ch . :: rad ...
Página 158
... running from the angle opposite the base . RULE . As the given area of the triangle , Is to the area of the part to be cut off ; So is the given base , To the base corresponding to that area * . EXAMPLES . 1. Given the area of the ...
... running from the angle opposite the base . RULE . As the given area of the triangle , Is to the area of the part to be cut off ; So is the given base , To the base corresponding to that area * . EXAMPLES . 1. Given the area of the ...
Página 159
... running from the angle C to the base : the part BD of the base is re- quired . Ans . 12.87 Ch . PROBLEM VII . The area and two sides of a triangle being given , to cut off a triangle containing a given area , by a line running from a ...
... running from the angle C to the base : the part BD of the base is re- quired . Ans . 12.87 Ch . PROBLEM VII . The area and two sides of a triangle being given , to cut off a triangle containing a given area , by a line running from a ...
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