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
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Página 9
... circles , and ellipses ; also the method of protracting a survey , and finding its area by dividing it into triangles and trapeziums , - SECT . II . Containing three different rules for finding the areas of right - lined figures ...
... circles , and ellipses ; also the method of protracting a survey , and finding its area by dividing it into triangles and trapeziums , - SECT . II . Containing three different rules for finding the areas of right - lined figures ...
Página 28
... circle is a straight line drawn from the centre to the circumference , as CB , Fig . 17 . 36. The diameter of a circle is a straight line drawn through the centre , and terminated both ways by the cir- cumference , as AE , Fig . 17. It ...
... circle is a straight line drawn from the centre to the circumference , as CB , Fig . 17 . 36. The diameter of a circle is a straight line drawn through the centre , and terminated both ways by the cir- cumference , as AE , Fig . 17. It ...
Página 30
... circle cutting AB in E ; from E through D draw the right line EDC , cutting the ' periphery in C , and join CB , which will be perpendicular to AB . PROBLEM IV . To let fall a perpendicular upon a given line BC , from a given point A ...
... circle cutting AB in E ; from E through D draw the right line EDC , cutting the ' periphery in C , and join CB , which will be perpendicular to AB . PROBLEM IV . To let fall a perpendicular upon a given line BC , from a given point A ...
Página 32
... circle ; with this centre , and the distance from it to either of the points A , B , or C , describe the circle . PROBLEM XI . To divide a given right line AB into any number of equal parts , Fig . 28 . Draw the indefinite right line AP ...
... circle ; with this centre , and the distance from it to either of the points A , B , or C , describe the circle . PROBLEM XI . To divide a given right line AB into any number of equal parts , Fig . 28 . Draw the indefinite right line AP ...
Página 35
... circle is supposed to be divided into 360 equal parts , called degrees ; each degree into 60 equal parts , called minutes ; and each minute into 60 equal parts , called seconds , & c . 3. The measure of an angle is the arc of a circle ...
... circle is supposed to be divided into 360 equal parts , called degrees ; each degree into 60 equal parts , called minutes ; and each minute into 60 equal parts , called seconds , & c . 3. The measure of an angle is the arc of a circle ...
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