Hand-books of Natural Philosophy and Astronomy: Mechanics

Front Cover
C. Lockwood & Company, 1877
 

Contents

Wollastons micrometric wire ΤΟ
10
Minuteness of organic filaments I I
11
Pores The Florentine experiment
22
Elasticity of torsion
28
SECT PAGE 49 Annealing
34
Welding ib 51 Ductility ib 52 Tenacity
35
Chemical properties
36
BOOK II
38
Inertia ib 56 Proofs and examples of inertia
40
CHAPTER VI
43
Direction ib 60 Forces in same direction
44
Parallelogram of forces
46
Resultant of any number of forces
49
Parallel forces in opposite directions
51
Couple ib 70 Mechanical effect of a couple
52
Equilibrium of couples
53
Two motions in different directions
62
Other examples on composition of motion
68
Momentum
75
Examples
81
CHAPTER IX
94
Collision of two bodies moving in the same direction
95
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
Atwoods machine
103
Morins apparatus
107
Law of free descent
109
Calculation of motion due to gravity III
111
Retarded motion of bodies projected upwards
113
Projectiles
116
Oblique projection
118
Motion in parabolic curves
119
Resistance of the air
120
Application of projectiles in gunnery ib 122 Effect of a hammer
121
Influence of time upon the effect of force
122
CHAPTER X
123
Effect of cohesion
124
Resultant of forces of gravity acting on molecules A ib 127 Experimental method of determining the direction of resultant
126
Point of intersection of resultants
127
Centre of gravity
128
Case of regular figures
129
Centre of gravity not within the body
130
Properties of the centre of gravity
131
SECT PAGE 135 Stability
132
Line of direction
133
Pendulum
134
Animal locomotion governed by the position of centre of gravity
136
Examples
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
Applications and problems
169
Summary of facts and formulæ for motion
177
Statical problems
182
Three kinds of lever
188
Conditions of equilibrium
189
CHAPTER XII
190
The balance
191
Sensibility of a balance
192
The steelyard PAGE 212
193
Letter balance
194
Spring balances
195
CHAPTER XIII
196
Pressure on fulcrum
197
Rectangular lever
198
Beam resting on two props
199
Compound lever
200
Weighingmachines
201
Proper functions of a machine
204
CHAPTER XXV
207
CHAPTER XIV
210
221
221
The kneelever
224
Key of Erards pianoforte
225
Power of a machine
226
Equivalent lever 227 206 The wheel and axle
227
The treadmill 209 French quarry wheels
229
Differential wheel and axle
230
211
232
Toothed 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
Practical effect very different from theoretical 225 Effect of an inclined surface
244
Inclined roads
246
Double inclined plane 229 Selfacting planes
248
240
262
241
263
Continued circular motion
264
Centre of oscillation
265
Alternate circular motion
266
Pendulum measures velocity of falling bodies
267
244
268
Ball and socket
269
246
270
Hinge
271
248
273
249
274
Regulators
275
Crank
278
Flywheel
280
Mainspring
281
Hammers sledges etc
282
Position of the flywheel
285
Continued rectilinear motion
287
Trunnions 273 Axles
303
Telescope joint 275 Bayonet joint
304
Clamps and adjusting screws 277 Couplings
305
Resisting forces 279 Friction CHAPTER XVII
307
Sliding and rolling friction
311
Lubricants
313
Rolling friction 283 Sledges
314
Use of rollers
315
Friction rollers 286 Friction wheels
316
Line of draught
317
Railways
318
Brakes
319
Imperfect flexibility of ropes
320
Resistance of fluids
322
Ponderous missiles
323
CHAPTER XVIII
325
293
331
300
337
CHAPTER XIX
342
301
343
303
347
304
348
Timemeasurers a necessity of civilised life
350
31
351
305
352
307
353
309
354
311
355
Guncotton
356
313
357
315
358
316
360
317
361
318
362
319
364
320
367
322
368
323
369
STRENGTH OF MATERIALS 294 Strength of solid bodies 295 Strength to resist pressure 325
370
Mechanical powers
372
Levers
373
The pendulum
375
329
377
Strength to resist torsion 331
378
Strength to resist transverse strain 332
381
Problems on work and energy
384
BOOK IV
393
Drops for loading and unloading ships
400
The sledge hammer
406
CHAPTER XXIII
413
Screwcutting engine
421
427
427
Compensation pendulums
433
Harrisons gridiron pendulum
434
Mercurial pendulum 433 434
435
439 ib 440 ib 441
436
Connection between pendulum and escapement
437
Motion of hand intermitting 364 How the motion of the pendulum is sustained
439
Its action upon the escapement 366 Motion of hands how proportioned
440
Method of cutting wheels and pinions 368 Moving power Weight
441
Mainspring
443
Fusee
445
Balance wheel
448
Isochronism 373 Compensation balances
449
Movement imparted to the hands of a watch
450
Movements of the hands of a clock
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
SECT PAGE 385 Watches and chronometers
468
Marine chronometers
469
CHAPTER XXVI
473
Inking rollers
474
Modern printing presses
475
Single printing machines
476
Further improvement
483
449
485
457
486
465 467
487
Action and reaction modified by elasticity
10

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