...for that i» the latitude required. ^. To rcflify the globs for any given place. Rail'e the pole fo many degrees above the horizon, as are equal to the latitude of the place j then, finding the fun's phce, bring it to the meridian ; and pro.-eed, as directed in problem...

...is vertical at the given hour, if the place be in the northern hemifphere, elevate the north pole as many degrees above the horizon, as are equal to the latitude of that place •, if the place be in the fouthern hemifphere, elevate the fouth pole accordingly j and...

...point out all the constellations, and principal stars, there visible. Rule. — Elevate the globe to so many degrees above the horizon, as are equal to the latitude of the place, and set the globe due north and south : find the sun's place in the ecliptic, bring it to the...

...declination fur the given day, and note whether it be north or south ; if it be north, elevate the south pole so many degrees above the horizon as are equal to the declination ; it' it be south, elevate the north pole in a similar manner ; bring the place at which...

...Find the place where the Sun is vertical at the given hour, by Problem XIV ; then elevate the Pole as many degrees above the horizon as are equal to the latitude of that place, and bring to the brass meridian ; so will it then be the zenith or centre of the horizon....

...declination for the given day, and note whether it be north or south ; if it be north, elevate the south pole so many degrees above the horizon as are equal to the declination; if it be south, elevate the north pole in a similar manner: bring the place at which the...

...of the month, and hour of the night or morning, to Jind what planets i»itt be visible at that hour. RULE. Elevate the pole so many degrees above the horizon as are equal to the latitude of die place ; find the sun's place in the ecliptic, bring it to the brass meridian, and set the index...

...Find the place where the sun is vertical at the given hour by Problem 1 2 : then 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....

...For the Oblique Sphere. 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; and, if the globe be placed north and south by a compass, it will have exactly the same position, with...

...meridian, reckoning from the point Aries eastward, will be the sun's right ascension. Elevate the poles so many degrees above the horizon as are equal to the latitude of the place, bring the sun's place in the ecliptic to the eastern part of the horizon*, and the degree on...