...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...

...being given to find what Hour it is at any other place. Rule. Bring the place, where the hour is given, to the brass meridian, and set the index of the hour circle to that hour, then turn the globe till the proposed place comes under the meridian, and the index will...

...time at the place ; and to point out the situations of the several stars. f.'r Elevate the pole for the latitude of the place ; find the sun's place in the ecliptic, and bring it to the meridian, and set the index to 12 ; if the time be afternoon, turn the globe westward...

...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 the equator...

...above the horizon as are equal to the latituderfind the sun's place in the ecliptic(by I'rob. XVIII.) bring it to the brass meridian, and set the index of the hour circle to 1 2; turn the globe westward till the sun[s place come to the western edge of the horizon, and the...

...has any given Declination. RULES. — 1. Raise or depress the pole in such a manner that it may be so many degrees above the horizon, as are equal to the latitude. 2. Find the day of the month in the outer circle of the wooden horizon ; and against it, in the middle...

...year what hour the sun rises and sets ; also the length of the day and night. Rectify the globe for the latitude of the place. Find the sun's place in the ecliptic, bring it to the meridian, and set the index at 12. Turn the globe eastward, till the sun's place comes to the edge...

...when she is a morning star, and how long she sets after the sun when she is an evening star. RULE. Elevate the pole so many degrees above the horizon as are equal to the given latitude ; find the longitude and latitude of Venus in the Nautical Almanac, or any good ephemeris,...

...Find the place where the sun is vertical at the given hour by 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....