INDEX 



Hydraulic cement, 306 



cements, Table of average 



weights of, 307 

 grade line, 375 

 radius of a channel, 356 

 resistance, Coefficient of, 



352 

 table for cast-iron pipes, 



364 to 372 

 Hydraulics, 351 

 Hydrographic surveying, 122 

 Hydrostatic head, 351 

 Hydrostatics, 344 



Inaccessible lines, Problems 



on, 72 



Index error, 120, 152 

 Inertia, Moment of, 265 



Table of moments of, 266 

 Isogonic lines, 38 



Kinetic energy, 258 



Latitude and longitude, 138 

 and longitude, Determina- 

 tion of areas by, 6 

 and longitude in surveying, 



and longitude, Platting by, 



Parallel of, 138 



range, Definition of, 54 

 Lead line, 123 



of a turnout for stub 



switches, 243 



Level bubble, Sensitiveness 

 of, 81 



Care of, 82 



Definition of, 81 



Dumpy, 79 



Hand\ 112 



Magnifying power of, 81 



notes, Checking, 85 



notes, Form of, 85 



-section equation, 197 



Wye, 74 

 Leveling, 74 



Accuracy in, 88 



Leveling, Barometric, 91 

 Definition of, 26 

 Degree of accuracy re- 

 quired in spirit, 89 

 Field work in, 83 

 Problems in trigonomet- 

 ric, 90 

 rods, 82 

 Spirit. 74 

 Lime, 306 

 Lime mortar, 309 ' 

 Limit, Elastic, 279 

 Linear measure, 1 

 Liquid bodies, 344 

 measure, 4 

 Perfect, 344 

 Viscous, 344 

 Liquids on surfaces, Pressure 



of, 345 

 Loads on earth subfounda- 



tions, Table of safe, 333 

 Local attraction of magnetic 



needle, 36 

 time into standard, To 



change, 143 

 Long chord, 163 



-ton table, 3 



Longitude, Determination of 

 areas by latitude and, 60 

 Latitude and, 138 

 Platting by latitude and, 57 

 range, Definition of, 54 

 Relation between time and, 



142 



surveying, Latitude and, 54 

 Loss of head, 352 



Macadam roads, 398 



roads, Bituminous, 399 

 Magnetic bearing, 35 



meridian, 35 



needle, 36 



needle, Declination of, 38 

 Magnifying power of level, 81 

 Mapping, 118 

 Masonry, 303 



spread foundations, 335 

 Materials, Strength of, 275 

 Matrix, Definition of, 312 

 Maximum shear of beams, 

 Formulas for, 291 



