 | James M'Intire - 1823 - 232 oldal
...horizontal plane, where the surrounding horizon is uninterrupted by different objects, and elevate the pole for the latitude of the place; find the sun's place in the ecliptic for the given day, bring it to the brass meridian, and set the index of the hour circle to 12; then,... | |
 | John Hubbard Wilkins - 1825 - 151 oldal
...in the year, and the length of the day and night at that place. 1. Rectify the globe (by Prob. XI.) for the latitude of the place ; find the sun's place in the ecliptic (by Prob. X.) and bring it to the meridian, and set the index to 12 ; bring the sun's place to the... | |
 | John Vose - 1827 - 262 oldal
...any place and time nf 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... | |
 | James Ryan - 1827 - 408 oldal
...fyc. Definition. A star is said to culminate, when it passes the meridian. RULE. Elevate the pole to the latitude of the place, find the sun's place in the ecliptic, being it to the brazen meridian, and set the index of the hour circle to 12 ; then, if the time be... | |
 | John Hubbard Wilkins - 1829 - 202 oldal
...in the year, and the length of the day and night at that place. 1. Rectify the globe (by Prob. XI.) for the latitude of the place ; find the sun's place in the ecliptic (by Prob. X.) and bring it to the meridian, and set the index to 12 ; bring the sun's place to the... | |
 | Jacob Willetts - 1831 - 220 oldal
...time when any of the heavenly bodies rise, set, and come to the men* dian. Elevate the pole equal to the latitude of the place ; find the sun's place in...the ecliptic and: bring it to the brass meridian, and set the index of the hour circle to 12 ; bring the star to the eastern edge of the horizon and... | |
 | L. Ring - 1831 - 200 oldal
...find the sun's declination and all those places where the sun will be vertical on that day. Rule. — Find the sun's place in the ecliptic, and bring it to the brass meridian, and the degree •which stands over it is the sun's declination. Then turn the Globe from west to east,... | |
 | Aaron Arrowsmith - 1832 - 546 oldal
...the 10th of October 1 PROBLEM XXII. To find the Sun's Meridian- Altitude on any day at a given place. Rectify the globe for the Latitude of the place. Find...the Sun's place in the Ecliptic, and bring it to the Brazen Meridian. Count the number of degrees on the Meridian, between the Sun's place and the Horizon,... | |
 | Sir Richard Phillips - 1832 - 286 oldal
...1st. To find those places in the torrid zone, to which the sun will be vertical, on any given day. Find the sun's place in the ecliptic and bring it to the brazen meridian ; mark the de'gree of the meridian over it; then all the places that pass under that... | |
 | Joseph Guy - 1832 - 412 oldal
...the sun is due east or west. RULE. Elevate the pole so many degrees above the horizon as are equal to the latitude of the place, find the sun's place in the ecliptic, bring it to the brass meridian, and set the index of the hour-circle to twelve ; screw the quadrant... | |
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Rectify the globe for the latitude of the place. Find the sun's place in the ecliptic, and bring it to the brass meridian ; the number of degrees on the meridian between the horizon and the sun's place is the altitude required. 
