Elements of Surveying: With a Description of the Instruments and the Necessary Tables, Including a Table of Natural Sines |
From inside the book
Results 1-5 of 13
Page 94
... departure , east . 130. It will be found convenient , in explaining the rules for surveying with the compass , to attribute to the latitudes and departures the algebraic signs , + and - ; ; which are read plus and minus . - . with the ...
... departure , east . 130. It will be found convenient , in explaining the rules for surveying with the compass , to attribute to the latitudes and departures the algebraic signs , + and - ; ; which are read plus and minus . - . with the ...
Page 98
... latitude , and the departure , corresponding to any bearing , and for courses less than 100 . Let AB denote any course , NS the meridian , and NAB the bearing of AB . Then will AC be the difference of lati- tude , and BC the departure ...
... latitude , and the departure , corresponding to any bearing , and for courses less than 100 . Let AB denote any course , NS the meridian , and NAB the bearing of AB . Then will AC be the difference of lati- tude , and BC the departure ...
Page 99
... latitude and departure of the whole course . It is also plain , that the latitude or departure of two or more courses , hav- ing the same bearing , is equal to the sum of the latitudes or departures of the courses taken separately ...
... latitude and departure of the whole course . It is also plain , that the latitude or departure of two or more courses , hav- ing the same bearing , is equal to the sum of the latitudes or departures of the courses taken separately ...
Page 100
... latitude and departure for the bearing 473o , and the course 37.57 . Latitude for 37.00 • • 24.88 Departure for 37.00 • • 27.39 57 42 • • • · 27.81 Latitude for 57 · · Latitude for 37.57 • • 38 Departure for 25.26 Departure for 37.57 Of ...
... latitude and departure for the bearing 473o , and the course 37.57 . Latitude for 37.00 • • 24.88 Departure for 37.00 • • 27.39 57 42 • • • · 27.81 Latitude for 57 · · Latitude for 37.57 • • 38 Departure for 25.26 Departure for 37.57 Of ...
Page 101
... LATITUDE . DEPARTURE . BALANCED . Distan- Sta . Bearings . N. S. E. W. Cor . Cor . N. ces . Lat . + + Dep . — + - S. E. + W. 1 N 31 ° W 10. 8.53 5.22 0.18 0.02 8.71 5.24 2 N 6210 E 9.25 4.23 8.22 + 0.17-0.01 4.40 8.21 3 S 36o E 7.60 ...
... LATITUDE . DEPARTURE . BALANCED . Distan- Sta . Bearings . N. S. E. W. Cor . Cor . N. ces . Lat . + + Dep . — + - S. E. + W. 1 N 31 ° W 10. 8.53 5.22 0.18 0.02 8.71 5.24 2 N 6210 E 9.25 4.23 8.22 + 0.17-0.01 4.40 8.21 3 S 36o E 7.60 ...
Other editions - View all
Common terms and phrases
adjusted angle of elevation axis azimuth back-sights base line called centre clamp-screw coincide column comp compass Cosine D Cosine Sine Cotang course curve degrees determined difference of level direction divided double meridian distance draw east elongation error example feet field notes figure given angle given line given point ground Gunter's chain hence horizontal angle horizontal distance horizontal plane hypothenuse inches instrument intersection LatDegDegDegDeg Distance latitude and departure length levelling screws line AC line of collimation logarithm M.
M. Sine marked measure method multiplied natural sines needle object paper parallel passing perpendicular plane of reference protractor radius right angles right-angled triangle rods scale of equal secant side sights similar triangles Sine Sine spider's lines square chains staff subtract surface survey Tang tangent theodolite true meridian vernier plate vertical limb yards