Scientific Dialogues,: Of mechanicsBaldwin and Cradock; and R. Hunter, 1828 |
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Página 9
... seen in as many different places as the glass has surfaces ; consequently , if instead of 16 there had been 60 , or , if they could have been cut and polished so small , 600 , then the single candle would have given you the idea of 60 ...
... seen in as many different places as the glass has surfaces ; consequently , if instead of 16 there had been 60 , or , if they could have been cut and polished so small , 600 , then the single candle would have given you the idea of 60 ...
Página 23
... seen by the inhabitants of this island . For this purpose he has only to mention the time when he discovered it ; its position , as nearest to some one of the stars , calling it by the Greek letter by which it is designated ; and the ...
... seen by the inhabitants of this island . For this purpose he has only to mention the time when he discovered it ; its position , as nearest to some one of the stars , calling it by the Greek letter by which it is designated ; and the ...
Página 24
... seen a comet at the same time , he would , by this means , know whether it was the same or a different comet ? Tutor . Certainly , and hence you perceive of what importance it is , that astronomers in different coun- tries should agree ...
... seen a comet at the same time , he would , by this means , know whether it was the same or a different comet ? Tutor . Certainly , and hence you perceive of what importance it is , that astronomers in different coun- tries should agree ...
Página 25
... seen every morning in the east , at noon in the south , and in the evening in the west ; but the knowledge of the latter must be the result of patient , observation . VOL . II . D • Charles . And what is the green line which crosses OF ...
... seen every morning in the east , at noon in the south , and in the evening in the west ; but the knowledge of the latter must be the result of patient , observation . VOL . II . D • Charles . And what is the green line which crosses OF ...
Página 27
... their representa- tives on the artificial globe , a prac- tice which may be easily acquired , as you have seen . I will mention to you the names of those stars , and 1 you may first find them on the globe and D 2 OF THE ECLIPTIC 27.
... their representa- tives on the artificial globe , a prac- tice which may be easily acquired , as you have seen . I will mention to you the names of those stars , and 1 you may first find them on the globe and D 2 OF THE ECLIPTIC 27.
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Termos e frases comuns
24 hours 95 millions annual motion appear Aries astronomers axis called centre Charles clock comet consequently CONVERSATION dark days and nights degrees dial diameter discovered distance diurnal motion earth's orbit ecliptic enlightened Ephemeris equal equator figure fixed stars full moon globe greater half heavens heliocentric hemisphere hence Herschel horizon inhabitants James journey round Julius Cæsar Jupiter larger latitude Leap-Year less Libra light and heat longitude magnitude Mars means Mercury meridian millions of miles minutes moon's nearer nearest noon observe parallel pass polar circles position rays retrograde motion revolves rise and set rotation round the earth round the sun satellites Saturn seasons seen shadow shine sidereal day situated Solar System spectator summer sun and earth sun's superior planets supposed surface synodical month tance thousand tides tion top-mast tropic tropic of Cancer turn Tutor tween Venus vertical visible winter
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Página 133 - evidence of things not seen," in the fulness of Divine grace ; and was profound on this, the greatest concern of human life, while unable even to comprehend how the " inclination of the earth's axis to the plane of its orbit" could be the cause of the change of the seasons.
Página 166 - Less than archangel ruined, and the excess Of glory obscured ; as when the sun, new risen, Looks through the horizontal misty air Shorn of his beams, or from behind the moon, In dim eclipse, disastrous twilight sheds On half the nations, and with fear of change Perplexes monarchs.
Página 231 - Amid the radiant orbs, That more than deck — that animate — the sky, The life-infusing suns of other worlds ; Lo ! from the dread immensity of space Returning, with accelerated course, The rushing comet to the Sun descends ; And as he sinks below the shading earth, With awful train projected o'er the heavens, 1710 The guilty nations tremble.
Página 89 - In endless speculation, and adore ? One sun by day, by night ten thousand shine ; And light us deep into the Deity ; How boundless in magnificence and might!
Página 197 - Fairest of stars, last in the train of night, If better thou belong not to the dawn, Sure pledge of day, that crown'st the smiling morn With thy bright circlet, praise him in thy sphere, While day arises, that sweet hour of prime.
Página 196 - Annual for me, the grape, the rose renew The juice nectareous, and the balmy dew; For me, the mine a thousand treasures brings; For me, health gushes from a thousand springs; Seas roll to waft me, suns to light me rise; My foot-stool earth, my canopy the skies.
Página 6 - To ask or search I blame thee not, for heaven Is as the book of God before thee set, Wherein to read his wondrous works, and learn His seasons, hours, or days, or months, or years.
Página 148 - But opposite in levell'd west was set His mirror, with full face borrowing her light From him, for other light she needed none In that aspect, and still that distance keeps Till night...
Página 53 - Prime cheerer, light! Of all material beings first, and best ! Efflux divine ! Nature's resplendent robe ! Without whose vesting beauty all were wrapt In unessential gloom ; and thou, O sun ! Soul of surrounding worlds, in whom best seen Shines out thy Maker...
Página 196 - But do these worlds display their beams, or guide Their orbs, to serve thy use, to please thy pride ? Thyself but dust; thy stature but a span, A moment thy duration; foolish man! As well may the minutest emmet say, That Caucasus was...