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 25
... joins them lies whol- ly in that superficies . 7. 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 , as A , Fig . 1 . - Note . When several ...
... joins them lies whol- ly in that superficies . 7. 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 , as A , Fig . 1 . - Note . When several ...
Página 27
... joining any two opposite angles of a quadrilateral figure , is called a diagonal . 31. That side upon which any parallelogram , or trian- gle is supposed to stand , is called the base ; and the per- called the altitude of the ...
... joining any two opposite angles of a quadrilateral figure , is called a diagonal . 31. That side upon which any parallelogram , or trian- gle is supposed to stand , is called the base ; and the per- called the altitude of the ...
Página 30
... 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 , without it , Fig . 21 . In the line BC take any point D , and with it as a cen- tre and distance DA ...
... 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 , without it , Fig . 21 . In the line BC take any point D , and with it as a cen- tre and distance DA ...
Página 32
... join E and the first division on FC , the first division on EB and the ' second on FC , & c . Note . - Diagonal scales serve to take off dimensions or numbers of three figures . If the first large divisions be parts ; and the divisions ...
... join E and the first division on FC , the first division on EB and the ' second on FC , & c . Note . - Diagonal scales serve to take off dimensions or numbers of three figures . If the first large divisions be parts ; and the divisions ...
Página 33
... join FG and draw HL paral- lel to it : then will CL be the third proportional required . PROBLEM XIV . D H E G L To find a fourth proportional to three given right lines , A , B and C. A Draw two right lines DE , DF B containing any ...
... join FG and draw HL paral- lel to it : then will CL be the third proportional required . PROBLEM XIV . D H E G L To find a fourth proportional to three given right lines , A , B and C. A Draw two right lines DE , DF B containing any ...
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