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 25
... length but not breadth . 4. A straight , or right line , is the shortest line that can be drawn between any two points . 5. A superficies or surface has length and breadth , but not thickness . 6. A plane superficies is that in which ...
... length but not breadth . 4. A straight , or right line , is the shortest line that can be drawn between any two points . 5. A superficies or surface has length and breadth , but not thickness . 6. A plane superficies is that in which ...
Página 26
... length of those lines . Thus the angle DBE is greater than the angle ABC , Fig . 3 . 9. When a straight line stands on another straight line , so as to incline to neither side , but makes the angles on each side equal , then each of ...
... length of those lines . Thus the angle DBE is greater than the angle ABC , Fig . 3 . 9. When a straight line stands on another straight line , so as to incline to neither side , but makes the angles on each side equal , then each of ...
Página 39
... lengths of these lines being computed and arranged in a table , constitute what is usually termed a table of natural sines . The logarithms of those numbers taken from a table of logarithms and properly arranged form the table of loga ...
... lengths of these lines being computed and arranged in a table , constitute what is usually termed a table of natural sines . The logarithms of those numbers taken from a table of logarithms and properly arranged form the table of loga ...
Página 41
... length of the primary divisions . The primary divisions on the second part of the scale , are estimated according to the value set upon the unit on the left hand of the scale : If the first 1 be considered F as a unit , then the first 1 ...
... length of the primary divisions . The primary divisions on the second part of the scale , are estimated according to the value set upon the unit on the left hand of the scale : If the first 1 be considered F as a unit , then the first 1 ...
Página 47
... length , and draw AC mak- ing the angle A = 53 ° 8 ' ; make AC = 480 by a scale of equal parts , and from C draw CB perpendicular to AB , then ABC is the triangle required . AB , measured by the same scale of equal parts , will be 288 ...
... length , and draw AC mak- ing the angle A = 53 ° 8 ' ; make AC = 480 by a scale of equal parts , and from C draw CB perpendicular to AB , then ABC is the triangle required . AB , measured by the same scale of equal parts , will be 288 ...
Términos y frases comunes
ABCD ABFD acres adjacent adjacent angles angle ABC angle opposite angled triangle azimuth base bearing and distance breadth Calculation centre Co-secant Secant Co-sine Co-tang column decimal degrees 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 ratio given side John Gummere Lat Dep latitude and departure length logarithm measured meridian distance natural number off-sets parallel parallelogram perches perpendicular perpendicular BC quired quotient radius rectangle remainder Required the area right angle right line right-angled triangle RULE semiperimeter side AB side AC sine square root station stationary line subtract tance Tang Tangent tract of land trapezium trapezoid triangle ABC trigonometry