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 111
... bearing N. 781 ° W . dist . 243 perches ? Per . Per . Per . Dist . 100 corresp . Lat . 20.36 and Dep . 97.90 100 43 20.36 8.76 97.90 42.10 Whole Dist . 243 Lat . 49.48N . Dep . 237.90W . When the distance is expressed by chains or ...
... bearing N. 781 ° W . dist . 243 perches ? Per . Per . Per . Dist . 100 corresp . Lat . 20.36 and Dep . 97.90 100 43 20.36 8.76 97.90 42.10 Whole Dist . 243 Lat . 49.48N . Dep . 237.90W . When the distance is expressed by chains or ...
Página 112
... bearing , and removing the decimal point in ́each , one figure to the left hand . Thus if a line bear N.2310W . dist . 9.3Ch . its difference of latitude will be 8.53Ch . N. and its departure 3.71Ch . W. PROBLEM . The bearings and ...
... bearing , and removing the decimal point in ́each , one figure to the left hand . Thus if a line bear N.2310W . dist . 9.3Ch . its difference of latitude will be 8.53Ch . N. and its departure 3.71Ch . W. PROBLEM . The bearings and ...
Página 114
... bearings , distances , latitudes , depar- tures , meridian distances , and areas will be as in the table page 117 . Note 1. In a true survey the sum of the Thus the angle gAB is ... bearing , AB the first distance , and 114 MEASURING LAND .
... bearings , distances , latitudes , depar- tures , meridian distances , and areas will be as in the table page 117 . Note 1. In a true survey the sum of the Thus the angle gAB is ... bearing , AB the first distance , and 114 MEASURING LAND .
Página 115
... bearings , these sums will rarely be found ex- actly equal . Ag and Bg the corresponding latitude and departure , the latitude being north and the departure east . The third course being south , the dis- tance CD is the difference of ...
... bearings , these sums will rarely be found ex- actly equal . Ag and Bg the corresponding latitude and departure , the latitude being north and the departure east . The third course being south , the dis- tance CD is the difference of ...
Página 119
... bearings and distances of a survey are as follow , viz . Beginning at a corner stone , 1st . S 391 E , 24.25 ch .; 2d . S 1 ° W , 4. ch ; 3d . S 54 ° W , 9 20 ch .; 4th . N 68 ° W , 3.35 ch .; 5th . N 750 W , 3.95 ch ; 6th S. 71 ° W ...
... bearings and distances of a survey are as follow , viz . Beginning at a corner stone , 1st . S 391 E , 24.25 ch .; 2d . S 1 ° W , 4. ch ; 3d . S 54 ° W , 9 20 ch .; 4th . N 68 ° W , 3.35 ch .; 5th . N 750 W , 3.95 ch ; 6th S. 71 ° W ...
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