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 |
Dentro del libro
Página 139
... adjacent off - sets ; there should therefore be so many taken that this supposition may be made without any ma- terial error in the survey . To find the area contained between a stationary line and an irregular boundary by means of ...
... adjacent off - sets ; there should therefore be so many taken that this supposition may be made without any ma- terial error in the survey . To find the area contained between a stationary line and an irregular boundary by means of ...
Página 140
... adjacent off - sets respectively . Multiply the sum of each two adjacent off - sets by their intercepted distance on the stationary line ; half the sum of the products will be the area required * . Note . The area of the off - sets must ...
... adjacent off - sets respectively . Multiply the sum of each two adjacent off - sets by their intercepted distance on the stationary line ; half the sum of the products will be the area required * . Note . The area of the off - sets must ...
Página 150
... to calculate the area of a field , the own- er of which refuses permission to go on it , I choose two all the angles of the field are visible . The stations , F and G , in the adjacent land , from whence 150 MEASURING LAND .
... to calculate the area of a field , the own- er of which refuses permission to go on it , I choose two all the angles of the field are visible . The stations , F and G , in the adjacent land , from whence 150 MEASURING LAND .
Página 156
... adjacent angle being given . RULE . For a triangle . As the rectangle of the given side and sine of the given angle , Is to twice the given area ; So is radius , To the other side adjacent to the given angle . Then having two sides and ...
... adjacent angle being given . RULE . For a triangle . As the rectangle of the given side and sine of the given angle , Is to twice the given area ; So is radius , To the other side adjacent to the given angle . Then having two sides and ...
Página 157
... adjacent to the given angle * . EXAMPLES . 1. Let AB , BC , Fig . 87 , be two sides of a tract of land ; the bearing of AB is S. 87 ° 1 W. dist . 16.25 ch . and the bearing of BC , N. 27 ° E .; it is required to lay off 10 acres by a ...
... adjacent to the given angle * . EXAMPLES . 1. Let AB , BC , Fig . 87 , be two sides of a tract of land ; the bearing of AB is S. 87 ° 1 W. dist . 16.25 ch . and the bearing of BC , N. 27 ° E .; it is required to lay off 10 acres by 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