 | Thomas Keith - 1848 - 486 oldal
...To find the sun's amplitude at any place. RULE. Elevate the pole equal to the latitude of the given place ; find the sun's place in the ecliptic, and bring it to the eastern semicircle of the horizon ; the number of degrees from the sun's place to the east point of... | |
 | James M'Intire - 1850 - 352 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 Olding Butler - 1850 - 376 oldal
...degrees, which is his least altitude ; the difference is 47 degrees. Rule. Rectify for the given latitude, find the sun's place in the ecliptic, and bring it to the meridian; then count the number of degrees between the sun's place and the horizon, which is the sun's... | |
 | Alexander Stewart - 1850 - 480 oldal
...the day and night, at any place not in the frigid zones, on a given day. RULE. — Rectify the glohe for the latitude of the place, find the sun's place in the eeliptic for the given day, and hring it to the meridian ; sct the Index to xu., and turn the sun's... | |
 | Richard Phillips (sir.) - 1851
...heavens at that time. 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 to twelve ; turn the globe till the index points... | |
 | Henry Kiddle - 1854 - 154 oldal
...so as to represent the appearance of the heavens, at that place and time. RULE. — Elevate the pole for the latitude of the place ; find the Sun's place in the ecliptic, bring it to the meridian, and set the index to twelve ; if the time be before noon, turn the globe... | |
 | Sarah S. Cornell - 1857 - 422 oldal
...twilight. PRORLEM XVII. TO FIND THE SUN'S MERIDIAN ALTITUDE AT ANY PLACE ON ANY GIVEN DAY. Rule. — Rectify the globe for the latitude of the place. Find...the sun's place is the altitude required. PROBLEM XVIII. THE TIME OF A LUNAR ECLIPSE REING GIVEN, TO FIND ALL THOSE PLACES TO WHICH IT IS VISIRLE. Rule.... | |
 | Sarah S. Cornell - 1857 - 420 oldal
...twilight. PROBLEM XVIL TO FIND THE SUN'S MERIDIAN ALTITUDE AT ANY PLACE ON ANY GIVEN DAY. Rule.— Rectify the globe for the latitude of the place. Find the sun's place in the ecliptic, and briny it to the brass meridian ; the number of degrees on the meridian between the horizon and the... | |
 | Thomas St. Clair Macdougal - 1857 - 192 oldal
...November? PROBLEM IX. To find at what hour the Sun rises and sets on any day in the year. Rule. — Rectify the globe for the latitude of the place, find the sun's place in the ecliptic for the given day, and bring it to the brazen meridian. Set the index of the hour circle to XII, turn... | |
 | Robert Joseph Sullivan - 1861 - 364 oldal
...meridian altitude on a given day at anyplace. Rectify the globe for the latitude of the place; and find the sun's place in the ecliptic, and bring it to the brazen meridian. Then count the number of degrees on the meridian between the son's place and the h,... | |
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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. 
