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 14
... from the next greater in the table , and also from the given logarithm ; to the latter dif- six figures are required , and divide the number thus ference annex one or two ciphers , according as five or 14 LOGARITHMS .
... from the next greater in the table , and also from the given logarithm ; to the latter dif- six figures are required , and divide the number thus ference annex one or two ciphers , according as five or 14 LOGARITHMS .
Página 15
... divide the number thus pro- duced , by the former difference ; annex the quotient to the right hand of the four figures already found , and it will give the natural number required . Thus let it be required to find the natural number ...
... divide the number thus pro- duced , by the former difference ; annex the quotient to the right hand of the four figures already found , and it will give the natural number required . Thus let it be required to find the natural number ...
Página 18
... 019 . Ans . 63.25 . PROBLEM IV . To divide numbers by means of Logarithms . CASE 1. When the dividend and divisor are both whole RULE . From the logarithm of the dividend , subtract or mixed numbers . 18 LOGARITΗΜΕ .
... 019 . Ans . 63.25 . PROBLEM IV . To divide numbers by means of Logarithms . CASE 1. When the dividend and divisor are both whole RULE . From the logarithm of the dividend , subtract or mixed numbers . 18 LOGARITΗΜΕ .
Página 22
... Divide the logarithm of the given number by the index of the root , that is by 2 for the square root , by 3 for the cube root , & c . and the quotient will be the logarithm of the required root . Note .-- When the index of the logarithm ...
... Divide the logarithm of the given number by the index of the root , that is by 2 for the square root , by 3 for the cube root , & c . and the quotient will be the logarithm of the required root . Note .-- When the index of the logarithm ...
Página 24
... divide the pro- duct of 76.4 and 35.84 , by the product of 473.9 and 4.76 . 473.9 4.76 35.84 - Ar . Co. 7.32431 Ar . Co. 9.32239 - - log . 1.55437 log . 1.88309 0.08416 76.4 - - - Quotient 1.214 GEOMETRY . DEFINITIONS . 1. GEOMETRY is ...
... divide the pro- duct of 76.4 and 35.84 , by the product of 473.9 and 4.76 . 473.9 4.76 35.84 - Ar . Co. 7.32431 Ar . Co. 9.32239 - - log . 1.55437 log . 1.88309 0.08416 76.4 - - - Quotient 1.214 GEOMETRY . DEFINITIONS . 1. GEOMETRY is ...
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