Elements of Physics Or Natural History

Cover
Appleton, 1882
 

Inhalt

SECTION ILPHENOMENA Or Motions of the Universe 41 Analysis of the section
41
Motion and force defined
42
94 95
44
Uniform motion or velocity 102 105
45
Variable motion
46
Uniformly accelerated or retarded motion Absolute and relative motion
47
Coexistence of motions
48
resultant
49
Parallelogram of motions or velocities
50
components
51
illustrations
52
Force a compound of matter and motion
53
126
54
129
56
examples
58
PAGE
61
Fall of bodies in vacuo Attwoods machine
62
Laws of falling bodies
65
Measure of gravity
66
illustrations
67
First
69
perpetual motion impossible Popular idea of inertia celestial motions
73
Ail natural motions retarded
75
examples
77
examples the whirling table
78
examples the centrifugal railway
81
Saturnsring experiment 82 Newtons Second Law of Motion
82
action and reactionillus
84
Concussion of elastic bodies 132 133 135 136 139 141 145 147 149 153 154 156 159 158 161 165 167 170 Interference of pendulum vibrations a...
86
The principle of Energy
88
measure of work workpower
89
Footpound Kilogrammetre
90
Relations of Energy to Velocity
91
Different Forms of Energy
93
Kinetic and potential heatenergy
98
Of a pyramid and of a cone
106
Vegetable forms illustrate this subject
115
X
120
The lever does not magnify force
122
PAGE Table of Contents
123
compound and bent levers
128
examples
134
the kneejoint the lazy tongs 140 ii Cumulative machines flywheels
140
iii Modification of direction ART 254 257 258
141
259
142
263
143
265
145
266
146
267
147
268
149
271
151
275
153
279
155
281
156
285
158
girders tubular bridges
160
The strength of the arched form illustrated
162
PART III
165
liquid gas 99 Fundamental property of fluids
166
The hydrostatic paradox
167
the hydrostatic bellows the Bramah Press
168
illustrations
170
Liquids press in all directions
173
Liquids seek their own level
175
Illustrations of this
176
the spiritlevel
178
the Suez canal
179
Geological effects of liquids seeking their level
180
the Nile Rhone Rhine
181
tides inundations
183
Artesian wells
184
Liquids of different densities
186
liquid buoyancy the conditions of floating
187
Loss of weight in water
189
Floating hydrostatic paradox
191
Finding specific gravity of solids
199
Specific gravity of spirits milk
205
Liquid friction
211
PNEUMATICS
235
The weight of the atmosphere PAGE 248 The Law of Charles
248
the Magdeburg hemispheres
249
Torricellis experiment
252
The sucking or lifting pump
254
the syphon
255
Examples of the syphon principle
256
Atmospheric pressure illustrated
257
cupping
259
Physiological effects of airpressure The Barometer 99 ART 413 414 415 418 419 420 422 423 424 426 427
261
Different forms of the barometer standard syphon and wheel 428
265
rains and storms
266
the barometric gradient
268
cyclonic motions of storms Measurement of mountains by the barometer
269
Airpump gauge
274
Use of barometer to find specific gravity Use of barometer in mines
275
Effects of atmospheric pressure
276
balloons
277
modern ascents the Paris siegeballoons
279
flame and smoke Draughts fireplaces and stoves causes of smoky chimneys
282
the tradewinds the seabreeze and landbreeze of the tropics
286
cyclones typhoons
288
The pneumatic trough and gasometer
291
laws of liquid diffusion
293
its laws
295
osmometer endosmose exosmose
296
dialysisits medical uses
297
experiments operation of osmose
299
FAGE
318
Intensity of sound
324
500
330
octaves
342
harmonics of a string Æolian harp
351
the chemical harmonicon
359
Musical glasses
366
PART IV
373
Influence on climate
379
Heat a form of Energy
383
Temperature of deep mines 392 Deep sea temperatures 384 Mechanical theory of Heat
384
The Sun the natural source of Heat
385
Influence of Solar Heat on the Globe Hybernation of animals
387
The source of Solar Heat 389 564 565 386 Amount and intensity of Solar radiation 566 567 569 571 572
388
574
389
575
390
Polar currents in the Atlantic 577
391
Source of terrestrial heat Change of bulk caused by heat
395
Physical states of matter dependent on heat
396
Illustrations from mercury and camphor
397
Gases and vapours the result of heat
398
Liquefaction and solidification of gases
399
equalization of temperature
401
Estimation of sensible Heat
415
Influence of Clothing
416
Gulf Stream 425 Climatic changes 426 Ventilation of dwellings 603 604 606 607
417
610
420
612
422
613
423
614
425
Heat transferred 616
426
Geisslers and Sprengels airpump
429
618
430
Reflection of Heat rays
433
Diaphanous and Diathermanous bodies 624
435
Formation of
436
Temperature of space
439
Capacity of bodies for heat 441 Specific heat
440
Line of perpetual snow
443
Humidity dependent on Temperature
445
Hygrometers Table of Contents
447
Wet bulb thermometer
448
Formation of Glaciers and Icebergs
450
Expansion of bodies by heat
453
Increase of bulk in solids
455
Expansion of liquids
459
Expansion of Gases
460
Unequal expansion
462
Latent Heat of nodies
464
Boiling point of water XV ART 645 648 652 658 660 664 666 667 669 675
469
691
470
Distillation
473
Superheated steam
476
Pressure of steam for different temperatures 481 Expansive force of steam
479
The steam
482
The modern Steamengine
483
The Cryophorus
491
Condensation of vapours
494
Table of Contents
496
Freezing mixtures 498 The thermometer
497
The different Scales
501
Differential thermometer
504
Pyrometers
505
Table of high and low temperatures
506
Passage of Heat into Light
507
Chemical effects of Heat
509
Influence on germination and incubation
511
Combustion with and without oxygen
515
Spontaneous combustion
517
incandescence
518
Supporters of combustion and combustibles
519
Heat and light of combustion
521
Nature of flame
523
Products of Combustion
525
Fuel
529
Temperature of the bodies of animals
536
Heat borne by man and animals
537
Influence of heat on animals
539
Source of animal heat
540
Warming of dwellings
542
Stoves and firegrates
546
Mechanical equivalent of heat
548
Heat from Collision of bodies
553
LIGHT 555 Analysis of the section
555
Sources of Light 557 Light from the
556
Light from Combustion
558
Nonluminous bodies
564
Velocity of light
571
Action of Lenses
585
Optical Instruments
592
Persistence of Impressions
601
Chiaroscuro
629
632
633
Principles of the Stereoscope
636
Reflection of Light
649
Concave and Convex mirrors
655
Solar Spectrum and Spectrum analysis
663
Constitution of the Sun and Stars
672
The Electroscope
702
Holtzs Induction Machine
706
The Leyden
707
The Electric Battery
709
Velocity of the Electric flash
713
The Electricity of the Atmosphere
714
Current or Voltaic Electricity
716
Voltaic batteries
719
Daniells battery and its varieties
721
Groves and Bunsens Batteries
722
Manipulation of Batteries
724
Galvanic deposition of metals
726
Electrolysis
727
Decomposition of Water
728
the Loadstone
731
Magnetism a polar force
732
Magnetic Induction Magnetization of iron
734
The Electromagnet
736
Diamagnetism
737
Terrestrial Magnetism
738
Variations of the Compass
739
Magnetic charts
740
Galvanometers
743
Electrodynamics
745
Electromagnetic Engines
746
Electric clocks
747
Induced Electric currents
748
Ruhmkorffs Induction coil
749
Magnetoelectric induction
752
Thermoelectricity
756
The Thermopile
757
The Electric Telegraph
758
The Morse Telegraph
763
Submarine Telegraphs
766
Duplex Telegraphy
768
Rapidity of transmission
769
Solar Telegraphy
770
PART V
773
The roundness and size of the earth
774
773
778
The roundness caused by gravitation xvii ART 944
779
779
781
The Earths rotation
787
Instruments of the Astronomical Observatory
793
Mechanical View of the Earths revolution
799
Eclipses of the Sun and Moon
806
Precession of the Equinoxes
812
The description of the
818
Transit of Venus
824
Constellations
831
sensitive flames 314 The Eolian narp the vocal Memnon seashells 315 Sounds conveyed by solids and liquids sympathetic sounds 316 Velocity of so...
835
Constituents of bone
848
Products of the blood
854
The force of the heart
860

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Seite 488 - It regulates with perfect accuracy and uniformity the number of its strokes in a given time, counting or recording them, moreover, to tell how much work it has done, as a clock records the beats of its pendulum ; it regulates the quantity of steam admitted to work, the briskness of the fire, the supply of water to the boiler, the supply of coals to the fire ; it opens and shuts its valves with absolute precision as to time and manner ; it oils its joints ; it takes out any air which may accidentally...
Seite 465 - ... will prevent the metal from running away, and in a few minutes it will cool and take the impression, without the slightest injury to the paper from which it was taken.
Seite 366 - When horses or mules march in company at night, those in front direct their ears forward...
Seite 379 - ... bar commences to oscillate to and fro, the swing gradually increasing in amplitude until the dead centre is passed over, when several complete revolutions are made. The torsion of the suspending fibre now offers resistance to the revolutions, and the bar commences to turn in the opposite direction. This movement is kept up with great energy and regularity as long as the candle burns. The author discusses the action of ice, or a cold substance, on the suspended index.
Seite 130 - ... turns or beats of the balance-wheel; and thus the exertion during a few seconds, of the hand which winds up, gives motion for twenty-four or thirty hours.
Seite 211 - The velocity of waves has relation to their magnitude. The large waves just spoken of, proceed at the rate of from thirty to forty miles an hour. — It is a vulgar belief that the water itself advances with the speed of the wave, but in fact the...
Seite 212 - Calcutta it sometimes occasions an instantaneous rise of five feet ; and both here, and in every other part of its track, the boats, on its approach, immediately quit the shore, and make for safety to the middle of the river. In the channels, between the islands in the mouth of the Megna, the height of the Bore is said to exceed twelve feet ; and is so terrific in its appearance, and dangerous in its consequences, that no boat will venture to pass at springtide f.

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