The Connection of the Physical Sciences |
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Page 116
A sound which takes some time in travelling through the air , passes almost instantaneously along a wire six hundred feet long , consequently it is heard twice , first as communicated by the wire , and afterwards through the medium of ...
A sound which takes some time in travelling through the air , passes almost instantaneously along a wire six hundred feet long , consequently it is heard twice , first as communicated by the wire , and afterwards through the medium of ...
Page 122
A string or a wire stretched between two pins when drawn aside and suddenly let go , will vibrate till its own rigidity and the resistance of the air reduce it to rest . These oscillations may be rotatory , in every plane , or confined ...
A string or a wire stretched between two pins when drawn aside and suddenly let go , will vibrate till its own rigidity and the resistance of the air reduce it to rest . These oscillations may be rotatory , in every plane , or confined ...
Page 144
When a slender wire is held in the light , its shadow consists of a bright white bar or stripe in the middle , with a series of alternate black and brightly colored stripes on each side . The rays which bend round the wire in two ...
When a slender wire is held in the light , its shadow consists of a bright white bar or stripe in the middle , with a series of alternate black and brightly colored stripes on each side . The rays which bend round the wire in two ...
Page 158
The alternate transmission and obstruction of one of these flattened beams by the tourmaline is similar to the facility with which a thin sheet of paper , or a card , may be passed between the bars of a grating , or wires of a cage ...
The alternate transmission and obstruction of one of these flattened beams by the tourmaline is similar to the facility with which a thin sheet of paper , or a card , may be passed between the bars of a grating , or wires of a cage ...
Page 234
This action , however , would stop unless a vent were given to the accumulated electricity , by establishing a communication between the positive and negative poles of the battery , by means of wires attached to the extreme plate at ...
This action , however , would stop unless a vent were given to the accumulated electricity , by establishing a communication between the positive and negative poles of the battery , by means of wires attached to the extreme plate at ...
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according action angle appears arising atmosphere attraction axis becomes bodies cause centre changes colors comet consequently density depends determined diameter diminishes direction distance disturbing earth ecliptic effect electricity equal equator existence experiments extent extremely fluid force give given glass gravitation greater heat height increase influence intensity interesting kind known latitude length less light liquid magnetic mass matter mean measured meridian miles moon motion move nature nearly needle object observed occasions opposite orbit particles passing period phenomena plane plate polarized poles position probably produce proved quantity rays reflected refraction remain rest result revolve rings rotation round satellites seen side similar solar solid sound space square stars substances surface temperature terrestrial theory tion transmitted undulations variation varies vibrations volume waves whole wire
Popular passages
Page 20 - That day, as other solemn days, they spent In song and dance about the sacred hill; Mystical dance, which yonder starry sphere Of planets, and of fixed, in all her wheels Resembles nearest, mazes intricate, Eccentrick, intervolved, yet regular Then most, when most irregular they seem ; And in their motions harmony divine So smooths her charming tones, that God's own ear Listens delighted.
Page 316 - Bacon, that the words of prophecy are to be interpreted as the words of one 'with whom a thousand years are as one day, and one day as a thousand years.
Page 10 - Kepler also deduced from observation, that the squares of the periodic times of the planets, or the times of their revolutions round the sun, are proportional to the cubes of their mean distances from...
Page 28 - His true position is in the diagonal of the parallelogram, whose sides are in the ratio of the velocity of light to the velocity of the earth in its orbit, which is as 190000 to 19.
Page 298 - Jupiter ; it then gradually diminished in splendour, and, having exhibited all the variety of tints that indicate the changes of combustion, vanished sixteen months after its discovery, without altering its position. It is impossible to imagine anything more tremendous than a conflagration that could be visible at such a distance.
Page 296 - The distance of the fixed stars is too great to admit of their exhibiting a sensible disc ; but, in all probability, they are spherical, and must certainly be so if gravitation pervades all space, which it may be presumed to do, since Sir John Herschel has shown that it extends to the binary systems of stars.
Page 318 - These formulae, emblematic of Omniscience, condense into a few symbols the immutable laws of the universe. This mighty instrument of human power itself originates in the primitive constitution of the human mind, and rests upon a few fundamental axioms, which have eternally existed in Him who implanted them in the breast of man when He created him after His own image.