 | William Channing Woodbridge - 1836 - 544 páginas
...what point of the compass does the sun rise at Rome on the 1st of May 11 (A of July 19th of September? PROBLEM X. — To find the Length of the Day and Night at any time oftht Year. Only double the time of the sun's rising that day, and it gives the length of the night;... | |
 | Jesse Olney - 1836 - 294 páginas
...rise and set on the 21st of June at Quito ? Mexico ? London ? Cape North ? Cape Horn ? PROBLEM IX. To find the length, of the day and night at any time in the year. RULE. — Double the time of the sun's rising and it gives the length of the night. Double... | |
 | Barnum Field - 1837 - 166 páginas
...on the 12th of July ? At New Orleans on the 20th of January ? At Archangel, on the 18th of June? 12. To find the length of the day and night at any time of the year. Double the time of the Sun's rising, which gives the length of the night—double the time of his setting,... | |
 | William Channing Woodbridge - 1838 - 536 páginas
...what point of the compass does the sun rise at Rome on the 1st of May llth of July 19th of September? PROBLEM X.— To find the Length of the Day and Night at anytime of tht Year. Only double the time of the sun's rising that day, and it gives the length of... | |
 | Jesse Olney - 1838 - 300 páginas
...rise and set at Hartford on the 5th of February ' A. The SUD rises at 7, and sets at 5. PROBLEM IX. To find the length of the day and night at any time in the year. RULE.— Double the time of the sun's rising and it gives the length of the night. Double... | |
 | Barnum Field - 1840 - 168 páginas
...on the lah of July ? At New Orleans on the 20th of January ? At Archangel, on the 13th of June? 12. To find, the length of the day and night at any time of the year. Double the time of the Sun's rising, which gives the length of the night—double the time of his setting,... | |
 | Jesse Olney - 1841 - 334 páginas
...rise and set at Hartford on the 5th of February t A. The sun rises at 7, and sets at 5. PROBLEM IX. To find the length of the day and night at any time in the year. RULE. — Double the time of the sun's rising and it gives the length of the nlfht. Double... | |
 | Joseph Emerson Worcester - 1844 - 362 páginas
...the east em or western edge of the horizon, it marks the point of the compass upon which it rises or sets that day. PROBLEM x. To find the Length of the Day and Night at any Time in the Year. Double the time of the sun's rising, which gives the length of th'e night ; double the... | |
 | 1846 - 444 páginas
...Anti-Slavery Society, dated the 13th ult. To ASCERTAIN THE LENOTH OF DAY AND NIGHT. — To ascertain the length of the day and night at any time of the year, double the time ol the sun's rising, which gives the length of the night, and double the time of setting,... | |
 | Daniel O'Gorman - 1847 - 152 páginas
...have 192, the days required. Enough has been said to render this table quite explanatory. To ascertain the length of the day and night at any time of the year. THIS is THE RULE. Double the time of the Sun's rising, which gives the length of the night, and double... | |
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Only double the time of the sun's rising that day, and it gives the length of the night ; double the time of its setting and it gives the length of the day. 
