The Elements of Physics |
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Page viii
... Atmosphere - Pressure of the Atmosphere - Levelling by the Barometer - Height of homogeneous Atmosphere - Weight and Effects of Atmosphere - Phenomena of Inverted Vessels- Atmospheric Strata - Theory of Winds and of the Trade Winds ...
... Atmosphere - Pressure of the Atmosphere - Levelling by the Barometer - Height of homogeneous Atmosphere - Weight and Effects of Atmosphere - Phenomena of Inverted Vessels- Atmospheric Strata - Theory of Winds and of the Trade Winds ...
Page xii
... Atmospheric Electricity - Lightning - Effects of Lightning - Sources of Atmospheric Electricity - Lightning Rods - Aurora Borealis .. Arts . 307-314 CHAP . XII - CONCLUSION .. ...... ⚫p . 483 Arts . 315-319 Theory of Gravitation ...
... Atmospheric Electricity - Lightning - Effects of Lightning - Sources of Atmospheric Electricity - Lightning Rods - Aurora Borealis .. Arts . 307-314 CHAP . XII - CONCLUSION .. ...... ⚫p . 483 Arts . 315-319 Theory of Gravitation ...
Page 65
... atmosphere , where there is no resistance to destroy its motion ; it will go on in obedience to the laws of motion revolving for ever ; it will become a satellite to our earth . And what is the Moon but such a satellite ? —may not she ...
... atmosphere , where there is no resistance to destroy its motion ; it will go on in obedience to the laws of motion revolving for ever ; it will become a satellite to our earth . And what is the Moon but such a satellite ? —may not she ...
Page 105
... atmosphere which envelopes us is also horizontal ; since this also is subject to the action of gravity . The preceding reasoning may be considered as sufficient when gravity is the only force to which the fluid is subject . But we may ...
... atmosphere which envelopes us is also horizontal ; since this also is subject to the action of gravity . The preceding reasoning may be considered as sufficient when gravity is the only force to which the fluid is subject . But we may ...
Page 129
... in great numbers ; from short chimneys they would all fall in the immediate neighbourhood , but being carried up into the higher strata of the atmosphere , where the currents are SECT . II . 129 LAWS OF FLOATING BODIES .
... in great numbers ; from short chimneys they would all fall in the immediate neighbourhood , but being carried up into the higher strata of the atmosphere , where the currents are SECT . II . 129 LAWS OF FLOATING BODIES .
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action angle angle of incidence appears atmosphere attraction axis ball body cause centre of gravity colours column conductor consequently considered convex lens crystal crystalline lens density direction distance double refraction earth effect elastic force electricity electromotive force equal equilibrium evaporation exerted exist experiments fluid glass greater hence inches incidence instance intensity iron isochronism laws length lens less light liquid luminous magnetic mass mercury metal mirror motion moving nature needle object observed ordinary ray orifice oscillation parallel particles passes pencil pendulum perpendicular phenomena plane poles portion position preceding pressure principles prism produced propagated properties rays reflected reflexion refraction remarkable resinous seen sensible shew shewn side solid sound space spectrum string substance suppose surface takes place temperature theory thermometer tion tricity tube vapour velocity vessel vibrations violet vitreous vitreous fluid wave weight zinc
Popular passages
Page 16 - ... it seems probable to me that God in the beginning formed matter in solid, massy, hard, impenetrable, movable particles, of such sizes and figures, and with such other properties and in such proportion to space as most conduced to the end for which He formed them; and that these primitive particles, being solids, are incomparably harder than any porous bodies compounded of them, even so very hard as never to wear or break in pieces — no ordinary power being able to divide what God himself made...
Page 15 - All these things being consider'd, it seems probable to me, that God in the Beginning form'd Matter in solid, massy, hard, impenetrable, moveable Particles, of such Sizes and Figures, and with such other Properties, and in such Proportion to Space, as most conduced to the End for which he form'd them...
Page 359 - Every ray of light in its passage through any refracting surface, is put into a certain transient constitution or state; which, in the progress of the ray, returns at equal intervals, and disposes the ray at every return to be easily transmitted through the next refracting surface ; and between the returns to be easily reflected by it.
Page 280 - The immediate cause of the phenomena of heat, then, is motion, and the laws of its communication are precisely the same as the laws of the communication of motion.
Page 281 - ... greatest in the last, the particles have a motion round their own axes, with different velocities, the particles of elastic fluids moving with the greatest quickness ; and that in...
Page 360 - ... hot; that the vibrations thus excited are propagated in the refracting or reflecting medium or substance, much after the manner that vibrations are propagated in the air for causing sound, and move faster than the rays so as to overtake them...
Page 91 - that every particle of matter in the universe attracts every other particle, with a force whose direction is that of the line joining the two, and whose magnitude is directly as the product of their masses, and inversely as the square of their distances from each other.
Page 16 - Particles continue entire, they may compose Bodies of one and the same Nature and Texture in all Ages: But should they wear away, or break in pieces, the Nature of Things depending on them, would be changed. Water and Earth composed of old worn Particles and Fragments of Particles, would not be of the same Nature and Texture now, with Water and Earth composed of entire Particles, in the Beginning. And therefore that Nature may be lasting, the Changes of corporeal Things are to be placed only in the...
Page 281 - It seems possible to account for all the phenomena of heat, if it be supposed that in solids the particles are in a constant state of vibratory motion, the particles of the hottest bodies moving with the greatest velocity and through the greatest space ; that in...
Page 490 - ... some of those innumerable beautiful productions it casts up with lavish prodigality, but whose acquisition can be regarded as no diminution of the treasures that remain.