INDEX. 



l8l 



Sidereal time Ixxii 



table for conversion to mean time.. 165 



Signs, of trigonometric functions xv 



Silver, linear expansion of 170 



Sines, table of natural 28, 29 



explanation of use of c 



Solar time Ixxii 



table for conversion of mean solar 



to sidereal 164 



Solution, of plane triangles xviii 



of spherical triangles xx 



of spheroidal triangles Ivii 



Span, length of .\xxviii 



Specific heat of air i?- 



Sphere, equal in surface with earth lii 



equal in volume with earth lii 



surface of xxxi 



volume of xxxu 



Spherical excess (see Spheroidal excess) Iviii 



Spheroid, representing the earth xliii 



surface of xxxi 



volume of xxxni 



volume of earth's Ixv 



Spheroidal excess Iviii 



example of computation of ci 



Spheroidal triangle Ivii 



Square roots, table of 4-22 



Squares, table of 4-22 



Standards, of length and mass xxxiv 



Steel, linear expansion of 170 



St^re xli 



Stress, dimensions of I75 



units of 173. 174 



Sums, of arithmetic and geometric progres- 

 sion, and special series xiii 



Surfaces (see Areas) xxix 



Surface measures, British xxxviii 



Metric xli 



tables forinterconversion of. . .2, 3, 173, 174 



Surface, of continents Ixv 



of earth's spheroid lii 



of oceans Ixv 



of sphere and spheroid xxxi 



Surveyor's chain, length of x.xxviii 



Table for conversion of arc into time 162 



conversion of mean into sidereal time . .164 

 conversion of sidereal into mean time. . 165 



conversion of time into arc 163 



determination of heights by barometer. . 160 

 interconversion of British and Metric 



units 2,3, 173, 174 



interconversion of nautical and statute 



miles 168 



Table of acceleration of gravity and derived 

 quantities ^"9 



able of {^continued"). 



antilogarilhms, 4-place 26, 27 



areas of quadrilaterals u£ earth's surface 

 of 10° extent in latitude and longi- 

 tude 142 



1° extent in latitude and longi- 

 tude 144. MS 



30' extent in latitude and longi- 

 tude 146-148 



15' extent in latitude and longi- 

 tude 150-154 



10' extent in latitude and longi- 

 tude 156-159 



areas of regular polygons xxx 



circumference and area of circle 23 



constants, astronomical 172 



geodetical 171 



numerical 171 



for interconversion of English and 



Metric units 2, 3, 173, 174 



Continental measures of length 168 



co-ordinates for projection of maps — 



scale 1/250000 S4-91 



scale 1/125000 92-101 



scale i/i 26720 102-109 



scale 1/63360 110-121 



scale 1/200000 1 22-131 



scale i/Soooo 132-141 



departures and latitudes 32-47 



dimensions of physical quantities 175 



errors of interpolated values from nu- 

 merical tables Ixxxvi 



expansions (linear) of principal metals. . 170 

 formulas for solution of plane triangles, .xix 

 fractional change in number due to 



change in its logarithm 170 



latitudes and departures 32-47 



lengths of arcs of meridian 78-80 



of arcs of parallel 81-83 



of 1° of meridian 166 



of 1° of parallel 167 



linear expansions of metals 170 



logarithms, 4-place 24, 25 



anti-, 4-place 26, 27 



of factors for computing spheroidal 



excess 68, 69 



of factors for computing differences 

 of latitude, longitude, and azi- 

 muth 70-77 



of meridian radius of curvature. .48-55 

 of radius of curvature of normal 



section 56-65 



of radius of curvature of oblique 



sections 66, 67 



mean astronomical refraction 161 



measures and weights — 



British, of capacity xxxix 



