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
Resultados 16-20 de 27
Página 164
... according as the sum of the given included angles EAB and ABF is greater or less than 180 ° , add or subtract this fourth term ; the square root of the sum or remainder will be the distance GD , and the difference between GD and GA ...
... according as the sum of the given included angles EAB and ABF is greater or less than 180 ° , add or subtract this fourth term ; the square root of the sum or remainder will be the distance GD , and the difference between GD and GA ...
Página 167
... according to the given bearing of HI , on GM describe the semicircle GLM , and from D draw DL perpendicular to GM , meeting the semicircle in L ; join GL , make GI equal to it , and draw IH parallel to MC , then will the trapezium ABHI ...
... according to the given bearing of HI , on GM describe the semicircle GLM , and from D draw DL perpendicular to GM , meeting the semicircle in L ; join GL , make GI equal to it , and draw IH parallel to MC , then will the trapezium ABHI ...
Página 175
... according to the directions , given in rule 3 , sect . 2 , Measuring Land ; multiply the upper meridian dis- tances by the corresponding latitudes as far as they are given , placing the products in the column of north or ducts in each ...
... according to the directions , given in rule 3 , sect . 2 , Measuring Land ; multiply the upper meridian dis- tances by the corresponding latitudes as far as they are given , placing the products in the column of north or ducts in each ...
Página 178
... sum of the numbers expressing the ratio of the parts , Is to the greater or less of them , according as the greater So is the square of AB , To the square or less part is to be adjacent to the angle A ; 178 LAYING OUT AND DIVIDING LAND .
... sum of the numbers expressing the ratio of the parts , Is to the greater or less of them , according as the greater So is the square of AB , To the square or less part is to be adjacent to the angle A ; 178 LAYING OUT AND DIVIDING LAND .
Página 180
... according to the given bearing of the division line , on AI describe the semicircle ALI , make KL perpendicular to AB , meeting the semicircle in L , and take AE = AL ; then parallel to IC , draw EF which will divide the triangle as ...
... according to the given bearing of the division line , on AI describe the semicircle ALI , make KL perpendicular to AB , meeting the semicircle in L , and take AE = AL ; then parallel to IC , draw EF which will divide the triangle as ...
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