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
... heights 179 Points of the Compass 82 -Of Distances 194 Traverse Table 83 3. Mensuration of Areas 200 General Method 232 Pennsylvania Method 244 4. Of Off - sets 5. Method of surveying by Intersections Mean Refraction 174 Sun's Parallax ...
... heights 179 Points of the Compass 82 -Of Distances 194 Traverse Table 83 3. Mensuration of Areas 200 General Method 232 Pennsylvania Method 244 4. Of Off - sets 5. Method of surveying by Intersections Mean Refraction 174 Sun's Parallax ...
Σελίδα 16
... height , or degree of the power , being always greater by one , than the number of multi- plications employed in producing the power It is usually written above the root , as in the follow- ing EXAMPLE , where the method of involution ...
... height , or degree of the power , being always greater by one , than the number of multi- plications employed in producing the power It is usually written above the root , as in the follow- ing EXAMPLE , where the method of involution ...
Σελίδα 43
... height of the triangle ABC , standing on BC as its base . Fig . 16 . Hence all triangles between the same parallels have the same height , since all the perpendiculars are equal from the nature of parallels . 41. Any figure of four ...
... height of the triangle ABC , standing on BC as its base . Fig . 16 . Hence all triangles between the same parallels have the same height , since all the perpendiculars are equal from the nature of parallels . 41. Any figure of four ...
Σελίδα 138
... height may be measured on the surface ; and thence ( by case 1. of right - angled trigonometry ) the horizontal line answering to the top , may be found ; and if we have the angle of inclination given on the other side , with those al ...
... height may be measured on the surface ; and thence ( by case 1. of right - angled trigonometry ) the horizontal line answering to the top , may be found ; and if we have the angle of inclination given on the other side , with those al ...
Σελίδα 178
... other into links of the chain . Instead of the latter , are sometimes placed the centesimals of a yard , or three feet into 100 equal parts . SECTION II . MENSURATION OF HEIGHTS AND DISTANCES . 1st 178 LIST OF INSTRUMENTS .
... other into links of the chain . Instead of the latter , are sometimes placed the centesimals of a yard , or three feet into 100 equal parts . SECTION II . MENSURATION OF HEIGHTS AND DISTANCES . 1st 178 LIST OF INSTRUMENTS .
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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