Scientific Dialogues, Volume 2M. Carey, 1815 - 260 páginas |
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Página 94
... в , mo- tion is gained . Charles . Well , papa , but how is it that the heavenly bodies , the moon for in- stance , which is impelled by two forces , performs her motion in a circular curve round the earth 94 LAWS OF MOTION .
... в , mo- tion is gained . Charles . Well , papa , but how is it that the heavenly bodies , the moon for in- stance , which is impelled by two forces , performs her motion in a circular curve round the earth 94 LAWS OF MOTION .
Página 162
... heavens with the naked eye , we are very much deceived as to the supposed number of stars that are at any time visible . It is generally admitted , and on good authority too , that there are never more than one thousand stars visible to ...
... heavens with the naked eye , we are very much deceived as to the supposed number of stars that are at any time visible . It is generally admitted , and on good authority too , that there are never more than one thousand stars visible to ...
Página 164
... heavens . Tutor . You know that we see objects only by means of the rays of light which proceed from them in every direction . And you must for the present , give me credit when I tell you that the distance of the fix- ed stars from us ...
... heavens . Tutor . You know that we see objects only by means of the rays of light which proceed from them in every direction . And you must for the present , give me credit when I tell you that the distance of the fix- ed stars from us ...
Página 165
... heaven Is as the book of God before the set , Wherein to read his wonderous works , and learn His seasons , hours , or days , or months , or years . MILTON . I will show you two experiments which will go a good way to remove the ...
... heaven Is as the book of God before the set , Wherein to read his wonderous works , and learn His seasons , hours , or days , or months , or years . MILTON . I will show you two experiments which will go a good way to remove the ...
Página 170
... heavens represented . Charles . Is it then perfectly arbritary , that one collection is called the great bear , another the dragon ; a third Hercules , and so on ? Tutor . It is ; and though there have been additions to the number of ...
... heavens represented . Charles . Is it then perfectly arbritary , that one collection is called the great bear , another the dragon ; a third Hercules , and so on ? Tutor . It is ; and though there have been additions to the number of ...
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Scientific Dialogues: Intended for the Instruction and ..., Volume 2 Jeremiah Joyce Visualização integral - 1829 |
Palavras e frases frequentes
air-pump ascend attraction axis ball bladder bottle bottom bucket bulk called centre Charles cock consequently CONVERSATION copper cork cubical cubical foot descend diameter distance diurnal motion earth eclipse Emma equal equator experiment explain fall Father feet filled fixed stars force glass globe gold grains Gravity of Bodies greater guinea heavens heavier than water hydrometer hydrostatics immersed inches inclined plane James length less lever light lighter means Mercury millions of miles moon motion move orbit ounces papa particles piece pint pipe piston planets Plate polar circles pound pound weight pressure of fluids principle proportion pump quantity of water quicksilver retrograde motion rise round Saturn side silver sink small tube space specific gravity spirits of wine square superior planets Suppose surface syphon tion turn Tutor upward pressure valve velocity vessel weight wine wood
Passagens conhecidas
Página 312 - Ask for what end the heavenly bodies shine, Earth for whose use? Pride answers, " 'Tis for mine: For me kind nature wakes her genial power, Suckles each herb, and spreads out every flower; 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...
Página 314 - And choral symphonies, day without night Circle his throne rejoicing; ye in heaven, On earth join all ye creatures to extol Him first, him last, him midst, and without end. 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 mom With thy bright circlet, praise him in thy sphere, While day arises, that sweet hour of prime.
Página 290 - 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 204 - Of thirty years, to Mercury, whose disk Can scarce be caught by philosophic eye, Lost in the near effulgence of thy blaze.
Página 86 - The horizontal distance to which a fluid will spout from a horizontal pipe in any part of the side of an upright vessel, below the surface of the fluid, is equal to twice the length of a perpendicular to the side of the vessel, drawn from the mouth of the pipe to a semicircle described upon the...
Página 206 - THE sun revolving on his axis turns, And with creative fire intensely burns ; Impell'd the forcive air, our earth supreme Rolls with the planets round the solar gleam. First Mercury completes his transient year, Glowing,. refulgent, with reflected glare ; Bright Venus occupies a wider way, The early harbinger of night and day ; More distant still our globe terraqueous turns...
Página 129 - Hence he inferred that, though of equal weight, the bulk of the silver was greater than that of the gold, and that the quantity of water displaced was, in each experiment, equal to the bulk of the metal. He...
Página 341 - ... disappointed. The third was that which appeared in 1680, and its period being estimated at 575 years cannot, upon that supposition, return until the year 2255. This last comet at its greatest distance is eleven thousand two hundred millions- of miles from the sun, and its least distance from the sun's centre was but...
Página 351 - How distant some of these nocturnal suns ! So distant (says the sage) 'twere not absurd To doubt if beams, set out at Nature's birth, Are yet arrived at this so foreign world, Though nothing half so rapid as their flight.
Página 14 - That is a difficult word ? what are we to understand by it ? words, which signify water, and the science which considers the weight of bodies. But hydrostatics, as a branch of natural philosophy, treats of the nature, gravity, pressure, and motion of fluids in general ; and of the methods of weighing solids in them. Charles. Is this an important part of knowledge ? Father.