  - A.
- Accident, risk of, 32
- Action, 6
- Adapter, Willis apparatus, 352
- Angle of friction, 78
- of statical friction, 80
- Apparatus for centre of gravity, 62
- for equilibrium of three forces, 7
- to show friction, 65, 78
- the Willis, 345
- Appendix I., 339
- Atwood’s machine, 232
- Axes, permanent, 279
- B.
- Balance, defective, 48
- spring, 16
- Bar, equilibrium of a, 38
- Bat, cricket, 309
- Beam, breadth of, 193
- breaking load of, 193, 196
- cast iron, 222
- collapse of, 186
- deflection of, 179
- elasticity of, 184
- load on, 197
- placed edgewise, 193
- strained, 178
- strength of, 190
- uniformly loaded, 198
- with both ends secured, 200
- with one end secured, 201
- Beds in Willis apparatus, 346
- Bob, raising or lowering the, 320
- Bolts, use of, in Willis apparatus, 346
- Bracket, Willis apparatus, 350
- Brass, specific gravity of, 56
- Breaking load, 177
- Bridge, deflection of, 208
- mechanics of, 218
- Menai, 218
- suspension, 225
- the Wye, 215
- tubular, 223
- with four struts, 210
- two struts, 206
- two ties, 211
- Brunei, Sir J., the Wye bridge, 215
- C.
- Capstan, 151
- Cast iron beam, 222
- Catenary, 226
- Cathetometer, 180
- Centre of gravity, 57
- of a wheel, 61
- position of, 59
- oscillation, 304
- percussion, 307
- Circular motion, 267
- action of, 53
- independent of motion, 241
- in London, 292
- specific, 53
- Grindstone, treadle of, 128
- H.
- Hammer, 252
- theory of the, 252
- Hands of a clock, 331
- Horse-power, 96
- I.
- Illustration of parallelogram of forces, 10
- Illustrations of forces, 10
- resolution, 19
- Inches, how represented, 7
- Inclination of thread, 140
- Inclined plane, 131
- forces on, 136
- friction in, 132
- mechanical efficiency of, 139
- Table XIII. 134
- XIV. 137
- XV. 138
- velocity, ratio of, 139
- Inertia, 250
- inherent in matter, 252
- Iron girders, 219
- specific gravity of, 55
- Isochronous simple pendulum, 303
- Ivory, specific gravity of, 56
- J.
- Jib, 29, 163
- K.
- Kater, Captain, 305
- Kinetics, 230
- L.
- Large wheels, advantages of, 93
- Law of falling bodies, 238
- friction in pulleys, 91
- lever of first order, 122
- pressure, 37
- Laws of friction, 73, 81, 82
- Lead, specific gravity of, 56
- Leaning tower of Pisa, 233
- Level, 56
- Lever, 119
- and friction, 123
- applications of, 123
- arm, Willis apparatus, 352
- laws of, 130
- of first order, 119
- law of, 122
- of second order, 124
- of third order, 128
- weight of, 121
- Lifting crane, 29
- Line and plummet, 56
- Load, breaking, 177
- Locomotive engine, 83
- M.
- Machine, Atwood’s, 232
- punching, XXIII. 182
- XXIV. 190
- Tacking, 25
- Tension along a cord, 17
- Three-sheave pulley-block, 106
- Tie, 28, 175
- rod, 29, 32
- Timber, bending, 171
- compression of, 172
- extension of, 172
- properties of, 170
- rings in, 171
- seasoning, 171
- warping, 171
- Tin, 223
- Toothed wheels, 160
- Tower of Pisa, 233
- Train of wheels, 330
- Transverse strain, 181
- Treadle of a grindstone, 128
- Tripod, 28
- strength of, 28
- Truss, simple form of, 212
- Tube fitting, Willis apparatus, 351
- Tubular bridge, 223
- U.
- Unstable equilibrium, 59, 282
- V.
- Velocity, 231
- ratio of inclined plane, 139
- pulley, 103
- pulley-block, 112
- screw, 143
- wheel and axle, 152
- wheel and pinion, 161
- Vibrations, composition of, 299, 315
- W.
- Wedge, 139
- Weighing machines, 123
- scales, 46, 48
- Weight caused by gravity, 52
- of water, 54
- Wheel and axle, 149
- and differential pulley, 167
- screw, 167
- experiments on, 152
- formula for, 154
- friction in, 153
- Table XVIII. 154
- velocity, ratio of, 152
- Wheel and barrel, 158
- formula for, 160
- friction in, 158
- Table XIX. 159
- Wheel and pinion, 160
- efficiency of, 161
- Table XX. 162THE END.
RICHARD CLAY AND SONS, LIMITED, LONDON AND BUNGAY. Footnotes: Transcriber’s Notes:
The illustrations have been moved so that they do not break up paragraphs and so that they are next to the text they illustrate. Typographical errors have been silently corrected. |
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