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 23
... Note . When the index of the logarithm is negative , and does not exactly contain the divisor , increase the index by a number just sufficient to make it exactly divi- sible by it , and carry the units borrowed , as so many tens , to ...
... Note . When the index of the logarithm is negative , and does not exactly contain the divisor , increase the index by a number just sufficient to make it exactly divi- sible by it , and carry the units borrowed , as so many tens , to ...
Página 25
... Note . When several angles are formed about the same point , as at B , Fig . 2 , each particular angle is ex- pressed by three letters , whereof the middle letter shows the angular point , and the other two , the lines that form the ...
... Note . When several angles are formed about the same point , as at B , Fig . 2 , each particular angle is ex- pressed by three letters , whereof the middle letter shows the angular point , and the other two , the lines that form the ...
Página 28
... Note . - The fourth part of the circumference of a cir- cle is also called a quadrant . 38. A segment of a circle is the figure contained by a right line , and the part of the circumference it cuts off : thus AEBA and AEDA are segments ...
... Note . - The fourth part of the circumference of a cir- cle is also called a quadrant . 38. A segment of a circle is the figure contained by a right line , and the part of the circumference it cuts off : thus AEBA and AEDA are segments ...
Página 29
... Note . A ratio is generally expressed , either by two numbers or by two right lines . 41. When two quantities have the same ratio as two other quantities , the four quantities taken in order are called proportionals ; and the last is ...
... Note . A ratio is generally expressed , either by two numbers or by two right lines . 41. When two quantities have the same ratio as two other quantities , the four quantities taken in order are called proportionals ; and the last is ...
Página 32
... Note . - Diagonal scales serve to take off dimensions or numbers of three figures . If the first large divisions be parts ; and the divisions in the altitude , along units , the second set of divisions , along EB , will be 10th 32 ...
... Note . - Diagonal scales serve to take off dimensions or numbers of three figures . If the first large divisions be parts ; and the divisions in the altitude , along units , the second set of divisions , along EB , will be 10th 32 ...
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