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 10
+ 1 * + signifies plus , or addition . minus , or subtraction . multiplication . division . proportion . equality . square root . difference between two quantities when it is not known which is the greater . OF LOGARITHMS .
+ 1 * + signifies plus , or addition . minus , or subtraction . multiplication . division . proportion . equality . square root . difference between two quantities when it is not known which is the greater . OF LOGARITHMS .
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LOGARITHMS are a series of numbers so contrived , that by them the work of multiplication is performed by addition , and that of division by subtraction . If a series of numbers in arithmetical progression be placed as indices ...
LOGARITHMS are a series of numbers so contrived , that by them the work of multiplication is performed by addition , and that of division by subtraction . If a series of numbers in arithmetical progression be placed as indices ...
Página 32
... 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 GEOMETRICAL PROBLEMS .
... 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 GEOMETRICAL PROBLEMS .
Página 33
parts ; and the divisions in the altitude , along BC , will be 100th parts . If HE be tens , EB will be units , and BC will be 10th parts . If HE be hundreds , BE will be tens , and BC units . And so on , each set of divisions being ...
parts ; and the divisions in the altitude , along BC , will be 100th parts . If HE be tens , EB will be units , and BC will be 10th parts . If HE be hundreds , BE will be tens , and BC units . And so on , each set of divisions being ...
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Términos y frases comunes
ABCD according acres adjacent angle base bearing bearing and distance Calculation called centre circle Co-secant Co-sine Co-tang column Construction contained corresponding Courses decimal Deg Dist DEMONSTRATION describe difference distance divide division draw east equal EXAMPLES feet figures find the area given given angle given area given side greater half hand height hypothenuse join latitude and departure length less logarithm measured meeting meridian distance Note off-sets opposite parallel perches perpendicular preceding PROBLEM quotient radius ratio rectangle remainder Required the area right angle right line root RULE running scale Secant side side AC sine square station subtract survey taken Tang Tangent triangle ABC twice