The Theory and Practice of Surveying: Containing All the Instructions Requisite for the Skilful Practice of this ArtJ.J. Harper, 1828 - 435 σελίδες |
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Σελίδα 4
... Logarithms , with their appli- cation , and the method of computing them . The fourth section contains Geometrical Definitions , Theorems , and Problems , with the description and use of the Sector , Gunter's Scale , and other ...
... Logarithms , with their appli- cation , and the method of computing them . The fourth section contains Geometrical Definitions , Theorems , and Problems , with the description and use of the Sector , Gunter's Scale , and other ...
Σελίδα 7
... Logarithms 4. Elements of Geome- try Mathematical Instru- ments 5. Trigonometry PART II . Sect . 1. The Chain 8. Maritime Surveying 220 9. Levelling - Promiscuous Ques- PART III . Sect . 1. Introductory Princi- 2 . The Semi - Circle ...
... Logarithms 4. Elements of Geome- try Mathematical Instru- ments 5. Trigonometry PART II . Sect . 1. The Chain 8. Maritime Surveying 220 9. Levelling - Promiscuous Ques- PART III . Sect . 1. Introductory Princi- 2 . The Semi - Circle ...
Σελίδα 9
... Logarithms , Geometry and Plane Trigonometry . SECTION I. DECIMAL FRACTIONS . If we suppose unity or any one thing to be divided into any assigned number of equal parts , this number is called the denomi- nator ; and if we choose to ...
... Logarithms , Geometry and Plane Trigonometry . SECTION I. DECIMAL FRACTIONS . If we suppose unity or any one thing to be divided into any assigned number of equal parts , this number is called the denomi- nator ; and if we choose to ...
Σελίδα 25
... LOGARITHMS . LOGARITHMS are a series of numbers , so contrived , that by them the work of multiplication may be performed by addition ; and the operation of division may be done by subtraction . Or , -Logarithms are the indices , or ...
... LOGARITHMS . LOGARITHMS are a series of numbers , so contrived , that by them the work of multiplication may be performed by addition ; and the operation of division may be done by subtraction . Or , -Logarithms are the indices , or ...
Σελίδα 26
... logarithms , as there can be taken kinds of geometrical series . But the Logarithms most convenient for common uses are those adapted to a geometrical series increasing in a ten - fold progression , as in the last of the foregoing ...
... logarithms , as there can be taken kinds of geometrical series . But the Logarithms most convenient for common uses are those adapted to a geometrical series increasing in a ten - fold progression , as in the last of the foregoing ...
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ABCD acres altitude Answer arch base bearing centre chains and links circle circumferentor Co-sec Co-tang column compasses contained cube root decimal difference of latitude Dist divided divisions divisor draw east Ecliptic edge EXAMPLE feet field-book figure four-pole chains given angle given number half the sum height Hence Horizon glass hypothenuse inches instrument length logarithm measure Meridian Altitude meridian distance method multiplied natural co-sine natural number natural sine Nonius number of degrees object observed off-sets opposite parallel parallelogram perches perpendicular plane prob PROBLEM proportional protractor Quadrant quotient radius rhombus right angles right line Secant sect semicircle Sextant side square root station subtract Sun's survey taken Tang tangent theo theodolite THEOREM trapezium triangle ABC trigonometry two-pole chains vane versed sine vulgar fraction whence