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according altitude angle appear astronomers axis beginning body bright bring broad paper circle called celestial centre comes conjunction consequently considered continue course dark declination degrees described dial diameter direct distance divided earth east ecliptic edge elevated equal equator figure fixed stars give given globe going graduated greater greatest half heavens hemisphere Hence horizon hour illuminated inhabitants Jupiter latitude length less light London longitude manner marked Mercury miles minutes month moon motion move natural night nodes noon observed opposite orbit parallel passes planet plate polar pole position PROBLEM quadrant rays reason Rectify represent respect rising round Saturn seen shadow shew ship side situation sometimes space sphere strong brass meridian sun's sun's place suppose surface telescope terrestrial globe tion turn twelve Venus visible whole zenith
Página 72 - Their names are Aries, Taurus, Gemini, Cancer, Leo, Virgo, Libra, Scorpio, Sagittarius, Capricornus, Aquarius, Pisces; the whole occupying a complete circle, or broad belt, in the heavens, called the Zodiac.
Página 226 - If both the places be situated on the same parallel of latitude, their bearing is either east or west from each other ; if the'y be situated on the same meridian, they bear north and south from each other ; if they be situated on the same rhumb-line, that rhumbline is their bearing : if they be not situated on the same rhumb-line, lay the quadrant of altitude over the. two places, and that rhumb-line which is the nearest of...
Página 54 - Our views of Nature, however imperfect, serve to represent to us, in the most sensible manner, that mighty power which prevails throughout, acting with a force and efficacy that appears to suffer no diminution from the greatest distances of space or intervals of time...
Página 199 - To make this circle answer the purpose, a semicircular wire is placed over it, carrying two indices, one on the east, the other on the west side of the strong brass circle.
Página 308 - By subtracting this from twenty-four hours, we have the length of the shortest night. If we bring the first degree of Capricorn to the brass meridian' and proceed in all respects as before, we shall have the length of the longest night and shortest day. Thus, at Delhi, the...
Página 312 - As the terrestrial globe by turning on its axis represents the real diurnal motion of the earth ; so the celestial globe, by turning on its axis, represents the apparent motion of the heavens.
Página 210 - ... than the hour at the given place, turn the globe eastward till the index has passed over as many hours as are equal to the given...
Página 285 - ... equal parts or degrees, as in the figure. Because the hour-lines are less distant from each other about noon, than in any other part of the dial, it is best to have the centres of these quadrants at a little distance from the centre of the dial-plane...
Página 420 - The grand transition, that there lives and works A soul in all things, and that soul is God. The beauties of the wilderness are His, That make so gay the solitary place Where no eye sees them. And the fairer forms That cultivation glories in are His. He sets the bright procession on its way, And marshals all the order of the year ; He marks the bounds which winter may not pass, And blunts his pointed fury ; in its case, Russet and rude...