A New Treatise on the Use of the Globes: Or, A Philosophical View of the Earth and Heavens...

Voorkant
Samuel Wood & Sons, 1819 - 352 pagina's
 

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Pagina 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.
Pagina 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...
Pagina 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.
Pagina 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.
Pagina 301 - Jį above the horizon, according as the given star is on the north or south side of the ecliptic ; bring the pole of the ecliptic to that part of the brass meridian which is numbered from the equinoctial towards the pole : then the ecliptic will coincide with the horizon ; screw the quadrant of altitude upon the brass meridian over the pole of the ecliptic ; keep the globe from revolving on its axis, and move the quadrant till its graduated edge comes over the given star : the degree on the quadrant...
Pagina 282 - ... above it; let this mark be considered as the pole of the world, let the equinoctial represent the ecliptic, and let the...
Pagina 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?
Pagina 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.
Pagina 99 - The result, therefore, of this physical inquiry is, that we find no vestige of a beginning, — no prospect of an end.
Pagina 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.

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