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 29
... right lines . 41. When two quantities have the same ratio as two other quantities , the four quantities taken in ... line , AB , Fig . 18 . Open the dividers to any distance more than half the line AB , and with one foot in A , describe ...
... right lines . 41. When two quantities have the same ratio as two other quantities , the four quantities taken in ... line , AB , Fig . 18 . Open the dividers to any distance more than half the line AB , and with one foot in A , describe ...
Página 30
... right line AB , Fig . 20 . Take any point D not in the line AB , and with the distance from D to B , describe 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 ...
... right line AB , Fig . 20 . Take any point D not in the line AB , and with the distance from D to B , describe 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 ...
Página 31
... line BH ; then will the angle HBG be equal to the angle A. PROBLEM VII . To bisect any right lined angle BAC , Fig . 24 . In the lines AB and AC , from the point A , set off equal distances AD and AE ; with the centres D and E and any ...
... line BH ; then will the angle HBG be equal to the angle A. PROBLEM VII . To bisect any right lined angle BAC , Fig . 24 . In the lines AB and AC , from the point A , set off equal distances AD and AE ; with the centres D and E and any ...
Página 32
... right line AB into any number of equal parts , Fig . 28 . Draw the indefinite right line AP , making an angle with AB , also draw BQ parallel to AP , in each of which , take as many equal parts AM , MN , & c . Bo , on , & c . as the line ...
... right line AB into any number of equal parts , Fig . 28 . Draw the indefinite right line AP , making an angle with AB , also draw BQ parallel to AP , in each of which , take as many equal parts AM , MN , & c . Bo , on , & c . as the line ...
Página 33
... right lines A and B. Draw two right lines , CD , CE B containing any angle ; make CF A equal A , and CG , CH each equal B ; join FG and draw HL paral- lel to it : then will CL be the third proportional required . PROBLEM XIV . D H E G L ...
... right lines A and B. Draw two right lines , CD , CE B containing any angle ; make CF A equal A , and CG , CH each equal B ; join FG and draw HL paral- lel to it : then will CL be the third proportional required . PROBLEM XIV . D H E G L ...
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