 | 1763 - 1246 oldal
...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 i.... | |
 | James Ferguson - 1776 - 546 oldal
...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... | |
 | J. Goldsmith - 1811 - 184 oldal
...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 brazen meridian,... | |
 | Thomas Keith - 1811 - 388 oldal
...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... | |
 | George Adams - 1812 - 586 oldal
...•PROBLEM XLII. To make an erect dial, declining from the south toicards the east or west. Elevate the pole to the latitude of the place, and screw the quadrant of altitude to the zenith. Then, if your dial declines towards the east, (which we shall suppose in the present... | |
 | John Lathrop - 1812 - 218 oldal
...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... | |
 | George Adams - 1812 - 552 oldal
...PROBLEM XLII. To make an erect dial, declining from the south towards the east or west. Elevate the pole to the latitude of the place, and screw the quadrant of altitude to the zenith. Then, if your dial declines' towards the east, (which we shall suppose in the present... | |
 | Eliza Roberts - 1813 - 408 oldal
...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.... | |
 | John Lathrop - 1821 - 206 oldal
...altitude, being given, to find the hour of the night. RULE. Elevate the pole so many degrees above ihc horizon as are equal to the latitude of the place, and screw the quadrant of altitude upon the brass meridian over that latitude ; find the sun's place in the ecliptic, bring it to the... | |
 | Sir Richard Phillips - 1821 - 256 oldal
...the constellations, and priitcipal stars, there visible. • Ride Elevate the globe to so many degree 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 orazen meridian,... | |
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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. 
