## 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

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... , therefore , be as many different systems of logarithms , as there can be

... , therefore , be as many different systems of logarithms , as there can be

**taken**different geometrical series , having unity for the first term . But the most con- B part of the logarithm . The index must be placed Logarithms, Página 12

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**taken**out of the table , and the sum will be the logarithm required . Thus , let it be required to find the logarithm of 59686 ; then , Logarithm of 5968 is The next greater log . is Difference Remaining figure Product 77583 · - 77590 7 ... Página 25

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**taken**, the straight line which joins them lies whol- ly in that superficies . 7. A plane rectilineal angle is the inclination of two straight lines to one another , which meet together , but are not in the same straight line , as A ... Página 29

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**taken**in order are called proportionals ; and the last is said to be a fourth proportional to the other three . 42. When three quantities of the same kind are such that the first has to the second the same ratio which the second has to ... Página 38

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**taken**from a scale of chords , describe an arc , cutting AB in m ; from the same scale of chords , take 38 de- grees and apply it to the arc from m to n , and from A through n draw the line AC , then will the angle A con- tain 38 ...### 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