The Theory and Practice of Surveying: Containing All the Instructions Requisite for the Skilful Practice of this ArtEvert Duyckinck, 1814 - 508 σελίδες |
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Σελίδα
... land 257 Semidiameter of the Sun ibid . 6. Changing the scale of Maps Transit of Pole Star 176 263 Difference of Altitude of 7. Method of Dividing Pole Star and Pole 177 Land 271 Sun's Declination 178 8. Maritime Surveying 281 Reduction ...
... land 257 Semidiameter of the Sun ibid . 6. Changing the scale of Maps Transit of Pole Star 176 263 Difference of Altitude of 7. Method of Dividing Pole Star and Pole 177 Land 271 Sun's Declination 178 8. Maritime Surveying 281 Reduction ...
Σελίδα 1
... land , and of delineating its boundaries on a map . The Surveyor , in the practice of this art , directs his attention , at first , to the tracing and measur- ing of lines ; secondly , to the position of these lines in respect to each ...
... land , and of delineating its boundaries on a map . The Surveyor , in the practice of this art , directs his attention , at first , to the tracing and measur- ing of lines ; secondly , to the position of these lines in respect to each ...
Σελίδα 14
... answer ; -in the same denomination with the third term . EXAMPLES . If 3 acres 3 roods of land can be purchased for 93 dollars 60 cts . how much will 15 acres 1 rood cost at that rate ? 3 acs . 3 rds . * = 15 acs 14 DECIMAL FRACTIONS ,
... answer ; -in the same denomination with the third term . EXAMPLES . If 3 acres 3 roods of land can be purchased for 93 dollars 60 cts . how much will 15 acres 1 rood cost at that rate ? 3 acs . 3 rds . * = 15 acs 14 DECIMAL FRACTIONS ,
Σελίδα 119
... Land AB AB 2871.64 the angles Land AC 6. Given , } BC 3176.2 The answers are omitted , that the learner may resolve them for himself by the foregoing me- thods ; by which means he will find and see more distinctly their mutual ...
... Land AB AB 2871.64 the angles Land AC 6. Given , } BC 3176.2 The answers are omitted , that the learner may resolve them for himself by the foregoing me- thods ; by which means he will find and see more distinctly their mutual ...
Σελίδα 134
... , which is 6 yards ; that of church - land measure , which is 7 yards , and the forest measure perch , which is 8 yards . For the more ready reckoning the links of a four ( 134 ) PART II The Chain Introductory Princi- Description of.
... , which is 6 yards ; that of church - land measure , which is 7 yards , and the forest measure perch , which is 8 yards . For the more ready reckoning the links of a four ( 134 ) PART II The Chain Introductory Princi- Description of.
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Συχνά εμφανιζόμενοι όροι και φράσεις
acres altitude Answer arch base bearing blank line centre chains and links circle circle of latitude circumferentor Co-sec Co-tang column compasses contained decimal Dep Lat Dep difference Dist divided divisions draw east Ecliptic edge EXAMPLE feet field-book figures fore four-pole chains geometrical series given number half the sum Horizon glass hypothenuse inches instrument Lat Dep Lat latitude length logarithm measure meridian distance multiplied Natural Co-sines natural sine Nonius number of degrees object observed off-sets opposite parallelogram perches perpendicular plane pole pole star PROB proportion protractor Quadrant quotient radius right angles right line scale of equal SCHOLIUM screw Secant sect semicircle Sextant side sights square root station stationary distance subtracted survey taken Tang tangent theo theodolite trapezium triangle ABC trigonometry vane versed sine vulgar fraction