Mechanics

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Divisibility
13
Size of aniinalcula ib 21 Divisibility by solution
15
Proof for the existence of molecules
16
Crystallisation ib 27 Planes of cleavage
18
Conclusions ib 29 Matter indestructible ib 30 Destructive distillation
20
Pores The Florentine experiment
22
Compressibility
23
Compressibility of liquids
24
Compressibility of gases
25
Limits of the elastic force
27
Elasticity of torsion
28
Dilatability ib 43 General effects of dilatation and contraction
29
CHAPTER IV
30
Modification of elasticity and hardness in the same body
31
Flexibility and brittleness
33
BOOK II
36
CHAPTER VI
43
Malleability
48
Resultant of any number of forces
49
skct PAOK 72 Conditions under which two forces admit a single resultant
53
Two forces in different planes
54
Examples
56
CHAPTER VII
58
Table of velocities
59
Uniform velocity
60
Composition of motion
61
Two motions in different directions
62
Examples
63
Forces acting on a ship or boat
65
Other examples on composition of motion
68
Motion of billiard balls
70
Direct proof of the earths rotation Further illustra tion
72
Forces acting on a kite
74
Absolute and relative motion
75
Momentum ib 91 Examples
78
General conditions of the equality of momenta
79
Examples
81
Collision of two bodies moving in the same direction ib 96 Action and reaction
82
Collision of bodies moving in opposite directions
83
Examples
85
Action and reaction modified by elasticity
86
Apparatus to illustrate collision experimentally
89
The laws of motion
91
CHAPTER IX
94
All bodies fall with the same velocity
96
Weight of bodies proportional to quantity of matter
98
Accelerated motion
100
Space passed over in successive seconds
101
no Atwoods machine
103
in Morins apparatus
107
Law of free descent ICi
109
Formulse for the motion of falling bodies ib 114 Calculation of motion due to gravity
111
Retarded motion of bodies projected upwards
113
Projectiles
116
Oblique projection
118
Motion in parabolic curves
119
Effect of a hammer
121
Influence of time upon the effect of force
122
CHAPTER X
123
Weight 1 j 125 Effect of cohesion
124
Experimental method of determining the lirection of resultant
126
Point of intersection of resultants
127
Centre of gravity 12 S 131 Case of regular figures
129
Centre of gravity not within the body
130
Properties of the centre of gravity
131
Stability
132
Line of direction
133
Pendulum
134
Animal locomotion governed by the position of centre of gravity
136
Different examples of stability
139
Stable unstable and neutral equilibrium
140
Examples
141
Familiar illustrations
142
Magic clock
145
Centre of gravity of two bodies
146
Calculation of effects of central force
148
Example
149
Whirling table
150
Motion of bodies revolving round common centre of gravity
151
Examples
153
Action of a central force on liquids
157
Centrifugal drying machine
158
Motion down a convex curve
160
Examples
161
Solids of revolution
162
Axis of revolution through centre of gravity
165
Principal axis
166
Experimental illustrations
167
Chemical affinity
168
Applications and problems
169
Examples of molecular action
170
Adhesion of solids
171
Summary of facts and formulfe for motion
182
CHAPTER XII
190
ib
191
ib ib
194
BOOK III
196
Machines provisionally regarded independent of weight and resistance
199
Different relations of power and weight
200
Equilibrium involves either rest or uniform motion
201
Proper functions of a machine
204
No machine can add to the energy of the power
205
Method of measuring work
206
Power gained at the expense of time
207
CHAPTER XIV
210
Machines with flexible cords
211
Three kinds of lever 189 Conditions of equilibrium
212
Relation of power and weight in the three kinds 191 The balance
214
Sensibility of a balance 193 The steelyard
216
Letter balance
217
Spring balances 196 Other examples of the lever
218
Pressure on fulcrum
220
Rectangular lever 199 Beam resting on two props
221
Compound lever
222
Weighingmachines
223
The kneelever
224
Key of Erards pianoforte 204 Power of a machine
226
Equivalent lever 206 The wheel and axle
227
The windlass
228
The treadmill 209 French quarry wheels
229
Differential wheel and axle
230
Combinations
232
Toothed wheels 213 Spur wheels
234
Crown wheels
235
Bevelled wheels 216 Rack and pinion 217 Rachet wheel
236
Ropes neither perfectly flexible nor smooth 219 Use of sheaves
237
Power and resistance parallel 221 Single rope and fixed pulley
239
Single movable pulley
240
Combinations
241
237 Endless screw
256
THE PENdULUM THE bALANCEWHEEL ANd THE FLY WHEEL 238 Simple pendulum
257
Experimental illustration
261
Pendulum indicates variations of gravity
262
Compound pendulum
263
Centre of oscillation
265
Pendulum measures velocity of falling bodies
267
Property of a swing
268
Length of pendulum vibrating seconds
270
CHAPTER XVI
273
Varying power opposed to uniform resistance
274
Regulators
275
Fusee
277
Crank
278
Flywheel
280
Mainspring
281
Hammers sledges etc
282
Position of the flywheel
285
Continued rectilinear motion
287
Reciprocating rectilinear motion
289
Continued circular motion
291
Universal joint
292
Alternate circular motion
293
Joints
300
Gimbals
301
Cradle joint
303
Hinge ib 272 Trunnions ib 273 Axles ib 274 Telescope joint 34
304
Clamps and adjusting screws
305
CHAPTER XVII
307
Friction
309
Sliding and rolling friction
311
Lubricants
313
Roiling friction
314
Sledges ib 284 Use of rollers
315
Friction rollers
316
Line of draught
317
Railways
318
Brakes
319
Imperfect flexibility of ropes 32
320
Resistance of fluids
322
Ponderous missiles
323
Resistance of air to motion of falling bodies
324
CHAPTER XVIII
325
Strength to resist pressure
329
Strength to resist torsion
331
Strength to resist transverse strain
332
CHAPTER XIX
342
Animal power
343
Horse power
347
Steamhorse
351
Windpower
352
Springs and weights
353
Forces produced by heat
354
Electromagnetic force
355
Guncotton
356
Capillary attraction
357
CHAPTER XX
358
The Dyne The Poundal
360
Work
361
Further illustrations Measurement of work 32
362
Units of work The footpound The horse power
364
Other units The kilogrammetre The Erg
367
Accumulated work
368
Measure of accumulated work
369
Enorgy 37
370
Mechanical powers
372
Levers
373
The pendulum
375
Elasticity
377
Transmutation of energy Law of conservation of energy _
378
Changes in inorganic nature
381
Problems on work and energy
384
BOOK IV
393
Movable cranes for manufactories and railway sta tions 305
395
Fixed cranes
396
Drops for loading and unloading ships
400
CHAPTER XXII
401
Stampingengine
405
The sledge hammer
406
The coining press
408
CHAPTER XXIII
413
Planing machine
414
Sawmills
416
Screwcutting engine
421
Engine for cutting the teeth of wheels
422
CHAPTER XXIV
424
CHAPTER XXV
427
Position of gnomon
428
Clepsydra
429
Sandglass 43
430
Pendulum
432
Compensation pendulums
433
Harrisons gridiron pendulum
434
Mercurial pendulum
435
Another compensation pendulum
436
Connection between pendulum and escapement
437
Motion of hand intermitting
439
Its action upon the escapement
441
Motion of hands how proportioned ib 367 Method of cutting wheels and pinions
441
Mainspring
443
Fusee
445
Balance wheel
448
Isochronisin
449
Movement imparted to the hands of a watch 45
453
To regulate the rate
455
Recoil escapement
457
Cylindrical escapement
458
Duplex escapement
460
Lever escapement
461
Detached escapement
462
Maintaining power in clocks
463
Maintaining power in watches
465
Cases in which either weights or springs are used
467
Watches and chronometers
468
Marine chronometers
469
CHAPTER XXVI
473
Inking rollers
474
Modern printing presses
475
Single printing machines
476
Further improvement
483
413
485
414
487
422
488
Examples of divisibility
14
Wollastons micrometric wire
15
Minuteness of organic filaments
16
8
1
10
13

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