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 97
... bearings , the angles may be found as follows : AD , N. 88 ° E. CB , S. 64 ° 40 ' W. AB , N. 24 E. CD , S. 35 20 E. BAD = 64 ° BCD 100 ° 00 BA , S. 24 ° 00'W . 180 00 204 00 BC , N. 64 40 E. ABC 139 20 DC , N. 35 ° 20'W . DA , S. 88 00 ...
... bearings , the angles may be found as follows : AD , N. 88 ° E. CB , S. 64 ° 40 ' W. AB , N. 24 E. CD , S. 35 20 E. BAD = 64 ° BCD 100 ° 00 BA , S. 24 ° 00'W . 180 00 204 00 BC , N. 64 40 E. ABC 139 20 DC , N. 35 ° 20'W . DA , S. 88 00 ...
Página 106
... bearing is east- erly ; then holding the protractor in this position , prick off 50 ° the first bearing , from the north end , because the bearing is from the north ; through this point and the point A , draw the line AB on which lay ...
... bearing is east- erly ; then holding the protractor in this position , prick off 50 ° the first bearing , from the north end , because the bearing is from the north ; through this point and the point A , draw the line AB on which lay ...
Página 107
... bearings from the line of chords , and lay them off on the circumference from N or S according as the bearing is northerly or southerly , and towards E or W according as it is easterly or westerly , and number them 1 , 2 , 3 , 4 , & c ...
... bearings from the line of chords , and lay them off on the circumference from N or S according as the bearing is northerly or southerly , and towards E or W according as it is easterly or westerly , and number them 1 , 2 , 3 , 4 , & c ...
Página 109
... bearings and distances of the boundaries are given . DEFINITIONS . 1. Meridians are north and south lines , which are sup- posed to pass through every station of the survey . 2. The difference of latitude , or the northing or south- ing ...
... bearings and distances of the boundaries are given . DEFINITIONS . 1. Meridians are north and south lines , which are sup- posed to pass through every station of the survey . 2. The difference of latitude , or the northing or south- ing ...
Página 110
... bearing , if at the top , or over it if at the bottom , is the correspond- ing difference of latitude and departure . The difference of latitude and departure must be taken as marked at the top of the table when the bearing is at the ...
... bearing , if at the top , or over it if at the bottom , is the correspond- ing difference of latitude and departure . The difference of latitude and departure must be taken as marked at the top of the table when the bearing is at the ...
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