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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. "
Astronomical and Geographical Essays: Containing a Full and Comprehensive ... - Página 303
de George Adams - 1812 - 518 páginas
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A view of the earth: a short system of modern geography

Richard Turner - 1787
...right againft the little Patch, you will fee the Point of the Compafs upon which the Sun rifes and fets that Day. PROBLEM X[. To find the Length of the Day...Time of the Year. Only double the Time of the Sun's rifmg that Day, and it gives the Length of the Night ; double the Time of his Jetting, and it gives...
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A new and easy introduction to universal geography 11th ed., improved

Richard Turner - 1810
...May, the 4th of June, the i,th of Auguft, the 21 ft of September, and the 5th of November ? PROB. XL To find the length of the day and night at any time of the year. Double the time of the fun's rifing that day, and it gives the length of the night; double the time...
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An Easy Grammar of Geography: Intended as a Companion and Introduction to ...

J. Goldsmith - 1811 - 144 páginas
...Gibraltar, Teneriffe, and Vienna, on theijthpf April, the 4th of July, and the ioth of November ?* PROBLEM "X. — To find the length of the day and night at any time of the year. ' Rule.. — Double the time of the sun's rising, which gives the length of the night: double * About...
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Astronomical and geographical essays

George Adams - 1812 - 518 páginas
...Sun rises and sets any Day in the Year, at any Place, and also upon what Point of the Compass 308 10. To find the length of the Day and Night at any time of the Year ' ibid. 11. To find the length of the longest or shortest Day, at any Place upon the Earth 310 12....
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Geography and History,

Eliza Roberts - 1813 - 374 páginas
...go from east to west, you wilt thcje see at once the exact time of its setting^ PROBLEM XI. To fnd the Length of the Day and Night, at any Time of the...gives the length of the night ; double the time of its setting, and it gives the length of the day. This Problem shews how long the Sun stays with with...
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Geography Made Easy: Being an Abridgement of the American Universal ...

Jedidiah Morse - 1814 - 364 páginas
...will show the hour of setting. XI. To fad the length of the day and right at any lime of the year. Double the time of the sun's rising that day, and...gives the length of the night ; double the time of its setting, and it gives the length of the day. XIJ. To JuiJ the hngth of the longest or shortest...
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An Easy Grammar of Geography: For the Use of Schools, Upon Goldsmith's Much ...

Jacob Willetts - 1815 - 200 páginas
...zones, and the frigid? When will Sirius be on the meridian ? What is the celestial globe ? How do you find the length of the day and night at any time of the year ? How much longer is the 10th of May at Arch angel than at Madras ?. What do yuu mean by the declination...
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Geography Made Easy: Being an Abridgement of the American Universal ...

Jedidiah Morse - 1818 - 364 páginas
...of rising ; if you bring it te the western edge of the horizon, the index will show the hour ef XI. To find the length of the day and night at any time of tht year. Double the time of the sun's rising that day, and it gives the length of the night ; double...
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Geography: Or, A Description of the World. In Three Parts. Part I ...

Daniel Adams - 1821 - 337 páginas
...the eastern or western edge of the horizon, it marks the point of the cowpass upon which it rises or sets that day. , PROBLEM X. — 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 l double the time of his setting,...
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A Grammar of General Geography: For the Use of Schools and Young Persons ...

Sir Richard Phillips - 1821 - 192 páginas
...When will Sirius be en the meridian at midnight? 652. What is the celestial globe ? 653. How do you find the length of the day and night at any time of the year ? 654. How much longer is the 10th of May at Archangel than at Madras ? 655. W'hat do you mean by the...
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