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
... less ; then the three figures in the first column , marked No. which are in a line with the logarithm found , together with the figure at the top of the table directly above it , will form the number re- quired . Observing , that when ...
... less ; then the three figures in the first column , marked No. which are in a line with the logarithm found , together with the figure at the top of the table directly above it , will form the number re- quired . Observing , that when ...
Página 15
... less * .53899 .53895 the natural number corresponding is 3459 Diff . with one cipher annexed 40 Next less log . 53895 Next greater · 53908 13 Difference Divide 40 by 13 and the quotient will be 3 , which an- nexed to the right hand of ...
... less * .53899 .53895 the natural number corresponding is 3459 Diff . with one cipher annexed 40 Next less log . 53895 Next greater · 53908 13 Difference Divide 40 by 13 and the quotient will be 3 , which an- nexed to the right hand of ...
Página 26
... less than a right angle , as BDE , Fig . 4 . 11. An obtuse angle is that which is greater than a right angle , as ADE , Fig . 4 . 12. Parallel straight lines are those which are in the same plane , and which , being produced ever so far ...
... less than a right angle , as BDE , Fig . 4 . 11. An obtuse angle is that which is greater than a right angle , as ADE , Fig . 4 . 12. Parallel straight lines are those which are in the same plane , and which , being produced ever so far ...
Página 39
... , tangent , & c . of an arc or angle . If the degrees in the given angle be less than 45 , look left hand column ; then in the column marked at for them at the top of the table , and for the minutes , in the PLANE TRIGONOMETRY . 39.
... , tangent , & c . of an arc or angle . If the degrees in the given angle be less than 45 , look left hand column ; then in the column marked at for them at the top of the table , and for the minutes , in the PLANE TRIGONOMETRY . 39.
Página 53
... less , and bisect AD in E. Then because AE is equal to ED and AC to BD , CE is equal to EB ; therefore AE or ED is half the sum of the given magnitudes AB , AC , and CE or EB is half their difference ; but AB the greater is equal to AE ...
... less , and bisect AD in E. Then because AE is equal to ED and AC to BD , CE is equal to EB ; therefore AE or ED is half the sum of the given magnitudes AB , AC , and CE or EB is half their difference ; but AB the greater is equal to AE ...
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