l82 



INDEX, 



Table of (continued). 



-British, of length xxxviii 



British, of surface xxxviii 



British, of weight xxxix 



Metric xli 



tables for interconversion of 



2, 3. 173. 174 



natural cosines 28, 29 



natural tangents 3°' 3' 



radii of curvature, logarithms of, for 



meridian section 4^-55 



for normal section 56-65 



for oblique section 66, 67 



reciprocals, squares, cubes, square roots, 

 cube roots, and logarithms of natural 



numbers 4-22 



refraction, mean astronomical 161 



signs of trigonometrical functions xv 



values for computing areas and dimen- 

 sions of regular polygons xxx 



for computing perimeter of ellipse xxix 

 of log I (1 — 2m) and log (i — m) 

 used in trigonometric leveling . . .Ixii 

 weights and measures (see Table of 



measures and weights) 2, 3, 173, 174 



Table, traverse (see Traverse table) 32-47 



Tangents, natural, table of 30, 31 



use of table explained c 



Taschenbuch, Des Ingenieurs xcix 



Taylor's series xxii 



Temperature, absolute zero of 172 



of freezing mercury 172 



Theory of errors Ixxxiii-xcviii 



references to works on xcviii 



Thermal conductivity, dimensions of 175 



of air 172 



Three-point problem Ixiv 



Time, determination of Ixxiv 



equivalents in arc, table of 163 



example of use of table civ 



interconversion of sidereal and solar, 



tables for 164, 165 



Tin, linear expansion of 170 



Toise, value in feet and metres 168 



Ton, long and short xxxix 



Tonne 173, 174 



Tonneau xli 



Trapezoid, area of xxix 



Traverse table 32-47 



explanation of use of c 



Triangles, plane, solution of xviii 



Triangles [continued). 



spherical, solution of xx 



spheroidal, solution of Ivii 



Triangulation, primary and secondary, difier- 

 ences of latitude, longitude, and azimuth 

 in Iviii-lx 



Trigonometric functions, of one angle xv 



of two angles xvi 



series for xvii 



Trigonometric leveling Ixi 



Units, British System xxxvii 



C. G. S. System xlii 



Metric System xl 



standards of length and mass xxxiv 



tables for interconversion of British and 

 Metric 2,3, 173, 174 



Useful formulas xiii-xxvii 



Vara, Mexican and Spanish 168 



Velocity, dimensions of 175 



of light and sound 172 



Versta, Russian 168 



Vertical section curve on spheroid Ivi 



Volt, dimensions of 175 



Volume, of earth Ixv 



of solids xxxii 



Weight, of distilled water 172 



Weights and measures (see Measures and 

 weights), tables for interconversion of 



British and Metric 2, 3, 173, 174 



Werst, Russian 168 



Work, dimensions of 175 



Wright, Prof. T. W., treatise cited xcviii 



Yard, imperial xxxiv 



ratio of, to metre xxxvi, xxxvii 



Zachariae, G., treatise cited xlvi 



Zenith distances, use of, in trigonometric 



leveling Ixi 



Zenith telescope, use of Ixxix 



Zero, of absolute temperature 172 



Zinc, linear expansion of 170 



Zones, of earth's surface, area of 1 



