Scientific Dialogues, Том 2M. Carey, 1815 - 260 страница |
Из књиге
Резултати 1-5 од 51
Страница 41
... centre ; and , since all have a tendency to the centre , the inhabitants of New Zealand , although nearly opposite to our feet , stand as firm as we do in Great Britain . Charles . This is difficult to comprehend ; nevertheless , if ...
... centre ; and , since all have a tendency to the centre , the inhabitants of New Zealand , although nearly opposite to our feet , stand as firm as we do in Great Britain . Charles . This is difficult to comprehend ; nevertheless , if ...
Страница 48
... centre ? - Father . I have already told you that by the great law of gravitation , the attraction of all bodies is in proportion to the quantity of matter which they contain . Now the earth , being so immensely large in compari- son of ...
... centre ? - Father . I have already told you that by the great law of gravitation , the attraction of all bodies is in proportion to the quantity of matter which they contain . Now the earth , being so immensely large in compari- son of ...
Страница 52
... centre from the surface of the earth . But could we ascend 4000 miles above the earth , and of course be double the distance that we now are from the centre we should there find that the attractive force would be but one fourth of what ...
... centre from the surface of the earth . But could we ascend 4000 miles above the earth , and of course be double the distance that we now are from the centre we should there find that the attractive force would be but one fourth of what ...
Страница 54
... centre to the poles is about eighteen or nineteen miles less than its distance from the centre to the equator , consequently , bodies ought to be something heavier at , and near the poles , than they are at the equator , which is also ...
... centre to the poles is about eighteen or nineteen miles less than its distance from the centre to the equator , consequently , bodies ought to be something heavier at , and near the poles , than they are at the equator , which is also ...
Страница 59
... be for- gotten after it is once understood . The rule is this , " the spaces described by a body fall- ing freely from a state of rest , increase as CONVERSATION IX , On the Centre of Gravity . FATHER ATTRACTION OF GRAVITATION . 59.
... be for- gotten after it is once understood . The rule is this , " the spaces described by a body fall- ing freely from a state of rest , increase as CONVERSATION IX , On the Centre of Gravity . FATHER ATTRACTION OF GRAVITATION . 59.
Друга издања - Прикажи све
Чести термини и фразе
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
Популарни одломци
Страница 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...
Страница 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.
Страница 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.
Страница 204 - Of thirty years, to Mercury, whose disk Can scarce be caught by philosophic eye, Lost in the near effulgence of thy blaze.
Страница 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...
Страница 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...
Страница 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...
Страница 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...
Страница 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.
Страница 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.