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 5
... measuring , and dividing land , which , in connection with its general arrangement , render this Treatise on Surveying , in our opinion , decidedly preferable to any other which has met the public eye . ROBERT ADRAIN , Prof. of Math ...
... measuring , and dividing land , which , in connection with its general arrangement , render this Treatise on Surveying , in our opinion , decidedly preferable to any other which has met the public eye . ROBERT ADRAIN , Prof. of Math ...
Página 9
... Measuring Land , Preliminary Definitions , Observations , & c . SECT . I. Containing rules for finding the areas of triangles , quadrilaterals , circles , and ellipses ; also the method of protracting a survey , and finding its area by ...
... Measuring Land , Preliminary Definitions , Observations , & c . SECT . I. Containing rules for finding the areas of triangles , quadrilaterals , circles , and ellipses ; also the method of protracting a survey , and finding its area by ...
Página 35
... measured by the arc DE , and contains the same number of degrees that the arc does . The measure of a right angle is therefore 90 degrees ; for DH , Fig . 31 , which measures the right angle DCH is one fourth part of the circumference ...
... measured by the arc DE , and contains the same number of degrees that the arc does . The measure of a right angle is therefore 90 degrees ; for DH , Fig . 31 , which measures the right angle DCH is one fourth part of the circumference ...
Página 45
... measured by the same scale of equal parts , is 162 , and BC is 95 . will be the sines of the angles A and B to the equal radii AC and BF . Now the triangles BDC and BEF being similar , we have CD : FE :: BC : BF : or AC ; that is sin ...
... measured by the same scale of equal parts , is 162 , and BC is 95 . will be the sines of the angles A and B to the equal radii AC and BF . Now the triangles BDC and BEF being similar , we have CD : FE :: BC : BF : or AC ; that is sin ...
Página 47
... measured by the same scale of equal parts , will be 288 , and BC will be 384 . By Calculation . As sine of B 90 ° Is to sine of A 53 ° 8 ' · 10.00000 9.90311 So is AC 480 2.68124 12.58435 To BC 384 2.58435 As sine of B 90 ° 10.00000 Is ...
... measured by the same scale of equal parts , will be 288 , and BC will be 384 . By Calculation . As sine of B 90 ° Is to sine of A 53 ° 8 ' · 10.00000 9.90311 So is AC 480 2.68124 12.58435 To BC 384 2.58435 As sine of B 90 ° 10.00000 Is ...
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