Universal Geography, Or, a Description of All Parts of the World, on a New Plan, According to the Great Natural Divisions of the Globe: Theory, or mathematical, physical, and political principles of geographyWells and Lilly, 1826 |
Vyhľadávanie v obsahu knihy
Výsledky 1 - 5 z 61.
Strana 43
... toises ; therefore by the rule of proportion we find AC = 10.012 toises , 5 feet , and so on . of the earth . 11 . BOOK twenty parts , called sea leagues , MATHEMATICAL GEOGRAPHY . 43 22 To find the Length of the Days,
... toises ; therefore by the rule of proportion we find AC = 10.012 toises , 5 feet , and so on . of the earth . 11 . BOOK twenty parts , called sea leagues , MATHEMATICAL GEOGRAPHY . 43 22 To find the Length of the Days,
Strana 44
... leagues . Experi- Pendulum . Its diameter , deduced from the circumference , is 2292 sea leagues , and its radius , or a right line drawn from the centre to the surface is 1146. Multiplying the circumfe- rence by the diameter , we find ...
... leagues . Experi- Pendulum . Its diameter , deduced from the circumference , is 2292 sea leagues , and its radius , or a right line drawn from the centre to the surface is 1146. Multiplying the circumfe- rence by the diameter , we find ...
Strana 45
... leagues . This consequence , deduced from the centrifugal force by Huyghens , may be made sensible to the eye , by turning rapidly a wet blad- der round an axis , which then assumes the form of a spheroid flattened towards the ...
... leagues . This consequence , deduced from the centrifugal force by Huyghens , may be made sensible to the eye , by turning rapidly a wet blad- der round an axis , which then assumes the form of a spheroid flattened towards the ...
Strana 46
... leagues . * Investiga- tions of Maclau- raut , & c . Those conclusions , differing as to the quantity of the re- sult , but agreeing with respect to the alteration which the rin , Clai- figure of the earth ought to undergo in ...
... leagues . * Investiga- tions of Maclau- raut , & c . Those conclusions , differing as to the quantity of the re- sult , but agreeing with respect to the alteration which the rin , Clai- figure of the earth ought to undergo in ...
Strana 57
... leagues distant from us , have concurred to esta- II . blish our ideas respecting the oblate figure of the terrestrial spheroid . The alteration of the spherical figure , resulting Depression from the rotation of a celestial body on its ...
... leagues distant from us , have concurred to esta- II . blish our ideas respecting the oblate figure of the terrestrial spheroid . The alteration of the spherical figure , resulting Depression from the rotation of a celestial body on its ...
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Časté výrazy a frázy
according Africa amongst ancient angle animals appears Asia atmosphere axis basalt beds Bergmann BOOK calcareous called cause centre chains circle climate coasts cold colour consider contain countries crystals currents declivity Delamétherie direction distance earth east ecliptic elevated equal equator extent feet feldspar fluid fossil geography globe granite Haüy heat hemisphere Hippocrates horizon Iceland iron islands kind lakes land leagues less longitude marine masses measure Mémoires meridian metal monsoon moon motion moun mountains myriametres nature neral observed ocean parallel particles pass perpendicular Peru petrifactions Physique plains plane polar pole porphyry primitive principal projection pyrites quantity quartz racter radius rays regions right line rivers rocks schist Siberia side sometimes species sphere stereographic projection Strabo strata substances subterraneous sulphur surface tains talc terrestrial theory tion toises torrid zone trace tufa vapours vegetable volcanic Voyage winds
Populárne pasáže
Strana 473 - aurora borealis, reflected by the snow, dispels the darkness of the polar night. The days for several months, though of a monotonous magnificence, astonishingly accelerate the growth of vegetation. In three days, or rather three times twenty-four hours, the snow is melted, and the flowers begin to blow.
Strana 185 - greater number of the principal mountains have one of their sides very steep, and the other of a very " gradual slope.* The Alps, for example, are much more rapid in their descent on the Italian side than on that of Switzerland. On the contrary, the Dophrines, or Scandinavian Alps, have a much steeper declivity to the
Strana 502 - that the grounds near Ravenna has sunk to such a degree, that the pavement of the cathedral is only six inches above the level of high water; but, at the same time, the land is extended in such a manner that this town, formerly situate in the midst of marshes, and canals, and furnished with an
Strana 361 - causes which are local, and sometimes illusory. It is said that the Mediterranean Sea, in its upper part, has sometimes a purple tint. In the gulf of Guinea, the Sea is white, and around the Maldive Islands black. The Vermeille, or
Strana 6 - could only be represented by a grain of sand less than one-twentieth of an inch in thickness. Irregularities so imperceptible do not deserve to be taken into consideration. We shall see, in the following Book, that the true differences which exist between our globe
Strana 361 - a blue shade to distant mountains, and which give the atmosphere its azure hue. The rays of blue light, being the most refrangible, pass in the greatest quantity through the aquatic fluid, which, from its density and depth, makes them undergo a strong refraction. The other shades in the
Strana 472 - the proximity of very high mountains, covered with perpetual snow; the trade winds, and the periodical inundations, equally contribute to diminish the heat. This is the reason why, in the torrid zone, we meet with all kinds of climates. The plains are burnt up by the heat of the sun. All the eastern coasts of the great continents,
Strana 357 - true surface of our planet The only exception to this position, may perhaps be found in gulfs and inland seas, which have only a slight communication with the ocean. In these parts of the sea. the level of the water may sometimes be a little more elevated than in the ocean. It is alleged that the Dutch
Strana 24 - of the ecliptic causes the arc of the equator, which passes the meridian in the same time with the diurnal arc of the ecliptic, to be not always equal to it, but to be sometimes greater and sometimes less. With regard to the