A New Treatise on the Use of the Globes: Or, A Philosophical View of the Earth and HeavensSamuel Wood & Sons, 1819 - 352 من الصفحات |
المحتوى
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طبعات أخرى - عرض جميع المقتطفات
عبارات ومصطلحات مألوفة
analemma Answer antarctic circle appear Arcturus astronomers atmosphere axis azimuth body brass meridian Bring the given Cape centre climate compass constellation diameter difference distance diurnal diurnal motion earth east eastward ecliptic Elevate the pole English miles equal equator equinoctial equinox find the sun's fixed stars force frigid zone full moon given place globe westward heavens hence Hesiod high water horizon hour circle index has passed inhabitants Jupiter latitude length Libra London longest day longitude magnitude meridian altitude minutes month moon's morning motion night node north latitude north or south north pole number of degrees o'clock oblique descension observed orbit planet point Aries polar circle PROBLEM quadrant of altitude reckoning revolves round right ascension rise and set round the sun satellites set the index shadow south pole sun rises sun's altitude sun's declination sun's place supposed surface tides tion tude turn the globe twilight vapours Venus vertical
مقاطع مشهورة
الصفحة 201 - Problem 12 : ihen elevate the pole as many degrees above the horizon as are equal to the latitude of that place, and bring it to the brass meridian ; so will it then be the zenith or centre of the horizon.
الصفحة 196 - Spitzbergen, in latitude 76| north, be brought to that part of the brass meridian, which is numbered from the equator towards the poles, the...
الصفحة 2 - The CELESTIAL GLOBE is an artificial representation of the heavens, on which the stars are laid down in their natural situations. The diurnal motion of this globe is from east to west, and represents the apparent diurnal motion of the sun, moon and stars. In using this globe, the student is supposed to be situated in the centre of it, and viewing the stars in the concave surface.
الصفحة 211 - Or, find the latitude of the given place, and elevate the north or south pole, according as the latitude is north or south, so many degrees above the horizon as are equal to the latitude : find the sun's place in the ecliptic (by Prob.
الصفحة 282 - ... above it; let this mark be considered as the pole of the world, let the equinoctial represent the ecliptic, and let the...
الصفحة 253 - Definition 2. The harvest moon, in south latitude, is the full moon which happens at, or near, the time of the vernal equinox; for, to the inhabitants of south latitude, whenever the moon is in 15?
الصفحة 3 - The equator, when referred to the heavens, is called the equinoctial, because, when the sun appears in it, the days and nights are equal all over the world, viz., 12 hours each.
الصفحة 99 - The result, therefore, of this physical inquiry is, that we find no vestige of a beginning, — no prospect of an end.
الصفحة 169 - Find the longitude of the given place on the equator, bring it to that part of the brass meridian which is numbered from the equator towards the poles ; and then, under the given latitude, on the brass meridian, you will find the place required.