## 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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**ratio**of the geometrical series . There may , 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 ... Página 28

... cuts off : thus AEBA and AEDA are segments of the circle ABED , Fig . 16 . 59. An arc of a circle is any part of the circumference ; 40.

... cuts off : thus AEBA and AEDA are segments of the circle ABED , Fig . 16 . 59. An arc of a circle is any part of the circumference ; 40.

**Ratio**is a mutual relation between two quantities of as AD or DE , Fig . 17 . 28 GEOMETRY . Página 29

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**Ratio**is a mutual relation between two quantities of the same kind with respect to magnitude . 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 ... Página 34

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**ratio**to each other as two given lines C and D. Draw AE making any angle with AB ; in AE take AF equal C and FE equal D ; join EB and draw FG parallel to it ; then AG will have to GB the same**ratio**that has to D. D A E F B PLANE ... Página 154

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**ratio**. RULE . As the less number of the given**ratio**, Is to the greater ; So is the given area , To a fourth term * . The square root of this fourth term will be the length required . Having the length , the breadth may be found by the ...### 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