A Treatise on Practical Surveying: Which is Demonstrated from Its First Principles : Wherein Every Thing that is Useful and Curious in that Art, is Fully Considered and ExplainedF. Lucas, jun. and Cushing & Jewett, J. Robinson printer, 1822 - 326 σελίδες |
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Σελίδα v
... grounds , when the waters were withdrawn . And this opinion is not entirely to be rejected , when we consider that Moses is said to have acquired this art when he resided at the Egyptian court . And Achilles Tatius in the beginning of ...
... grounds , when the waters were withdrawn . And this opinion is not entirely to be rejected , when we consider that Moses is said to have acquired this art when he resided at the Egyptian court . And Achilles Tatius in the beginning of ...
Σελίδα viii
... ground that is surveyed by a chain that is too long or too short the method of dividing lands : And the whole concludes with some necessary directions and remarks on surveys in general . : THE PRINCIPLES OF SURVEYING . SECTION I ...
... ground that is surveyed by a chain that is too long or too short the method of dividing lands : And the whole concludes with some necessary directions and remarks on surveys in general . : THE PRINCIPLES OF SURVEYING . SECTION I ...
Σελίδα 138
... ground that is not horizontal . fg . 87 . E H D B From any two points , as G and A , whose distance GA , is measured , and therefore given ; let the angles HGD , BAD , BAC , and EAG , be taken ; because GH is parallel to EA ( by part 2 ...
... ground that is not horizontal . fg . 87 . E H D B From any two points , as G and A , whose distance GA , is measured , and therefore given ; let the angles HGD , BAD , BAC , and EAG , be taken ; because GH is parallel to EA ( by part 2 ...
Σελίδα 141
... T of C - B = 3 ° 44 ′ . 55 ° + 3 ° 44 ' 58 ° 44 ′ - C . 55 ° -3 ° -44-51 ° 16 ' B. 2. As S. C : AB :: S. A : BC , = 277 PROB III . fig 89 . B Suppose ABC a triangular piece of ground , which by OF DISTANCES . 141- PROB. II. ...
... T of C - B = 3 ° 44 ′ . 55 ° + 3 ° 44 ' 58 ° 44 ′ - C . 55 ° -3 ° -44-51 ° 16 ' B. 2. As S. C : AB :: S. A : BC , = 277 PROB III . fig 89 . B Suppose ABC a triangular piece of ground , which by OF DISTANCES . 141- PROB. II. ...
Σελίδα 142
... ground , which by an old survey we find to be thus : AB 260 , AC 160 , BC 150 perches ; the mearing lines , AC and BC , are destroyed , or plowed down , and the line AB , only remaining . What angles must be set off at A and B to run ...
... ground , which by an old survey we find to be thus : AB 260 , AC 160 , BC 150 perches ; the mearing lines , AC and BC , are destroyed , or plowed down , and the line AB , only remaining . What angles must be set off at A and B to run ...
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A Treatise of Practical Surveying: Which is Demonstrated From Its First ... Robert Gibson Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2021 |
Συχνά εμφανιζόμενοι όροι και φράσεις
20 perches ABCD acres altitude Answer base bearing blank line centre chains and links chord circle circumferentor Co-secant co-sine Co-tang column compass contained cyphers decimal decimal fraction difference Dist divided divisor draw east edge EXAMPLE feet field-book figures four-pole chains given angle half the sum height Hence hypothenuse inches instrument latitude length logarithm measure meridian distance multiplied needle number of degrees object off-sets opposite parallel parallelogram perpendicular piece of ground plane polygon Portmarnock PROB proportion protractor quotient radius right angles right line scale of equal SCHOLIUM secant second station sect semicircle side sights sine square root stationary distance stationary line sun's suppose survey taken tang tangent thence theo theodolite THEOREM thro triangle ABC trigonometry true amplitude true azimuth two-pole chains vane variation whence