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Clinometer, 112

Coefficient of elasticity, 275

of friction, 270

of friction for flow of water

in pipes, Table of, 361

of hydraulic resistance, 352

Coefficients and angles of fric-

tion for miscellaneous

materials, Table of, 273

for angular bends, Table of,
362

for circular bends, Table of,
362

for valves, Table of, 363

of expansion, Table of, 286

of friction and angles of re-

pose for masonry mate-

rials, Table of, 272

of friction, angles of repose

and weights of earth,

Table of, 273

Columns, 298

Formulas for reinforced-

concrete, 332

Formula for wooden, 300

Colure, Equinoctial, 139
Combined sewerage system,
382

stresses, 301

Compass, Adjustments of, 33
field notes, Form s, 37
surveying, 33
Compensation for curvature
in railroad location, 227
Composition and resolution

of forces, 259
Compressibility of liquid

bodies, 344

Compressive stress, 275

Concrete, 312

Aggregates for, 313

Cement for, 312

Fuller's rule for quantities

of ingredients in, 315
highways, 401
Method of measuring in-
gredients for, 314

Proportioning ingredients

for, 313

Reinforced, 319

Sand for, 313

sewers, 391

Field notes, Form for com-
pass, 37
notes in cross-section work,
198

notes of azimuth traverse,
54

notes of irregular cross-
sections in earthwork,
209

problems in chain survey-
ing, 29
work in leveling, 83
work, Transit, 49
Fixed beam, 287
Flexure, Ultimate strength of,
294

Flow s of water in channels,
356

of water in pipes, Formula

for, 360
of water in pipes, Table of

coefficient of friction/ for,

361

in riveted pipes, 378
Force, Centrifugal, 257
Forces, Composition and res-
olution of, 259, 260
Moment of. 260
Parallelogram of, 259
Foresights, Balancing back-
sights and, 85
Foundations, 332

Spread, 335
Free haul. Limit of, 217
Friction and angles of repose
for masonry materials,
Coefficients of, 272
Angle of, 271

angles of repose and weights
of earths, Tables of
coefficients of, 273

Coefficient of, 270

Rolling, 272
Frog angle of railroad switch,
242

number of railroad switch,
242

of railroad switch, Point
of, 241

Frogs of a railroad switch, MI
Frustum of cone, 16
of cylinder, 15

Frustum of prism, 18

of regular pyramid, 17
Fuller's rule for quantities of

ingredients in concrete,

315

Functions of an angle, Table
of relations among the, 23'
G

Gallon, 3

Grade line, Hydraulic, 375
lines, 88

lines in railroad location.

Final, 227
profile, 194
Grades for highways, 393
Gradient, 194
Gravel roads, 397
Grouted pavement of con-
crete highways, 401
Growth of rock, 216

of rock, Table of, 217
Guard-rails of a railroad

switch, 242
Gunter's chain, 26
Gyration, Radius of, 268
H

Hand level, 112

Haul, Limit of free, 217

Haulage, 217

Head-block of a railroad
switch, 240
Hydrostatic, MI
Loss of, 352
Pressure, MI

-rod of a railroad switch r
240

Velocity, 352
Heaped bushel, 3
Heel of a railroad switch, 240
Helix, 15
Highways, 392

Concrete, 401

Curves for, 394

Drainage for, 394

Form of cross-section for,
393

Grades for, 393
Hoop tension, 281
Horizon, 140
Hour angle of a star, 140

circle, 139

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, MI
Hydrographic surveying, 122
Hydrostatic head, MI
Hydrostatics, 344

Inaccessible lines, Problems

on, 72
Index error, 129, 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,
54

and longitude, Platting by,
57

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

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