 | Thomas Keith - 1810 - 478 Seiten
...In the present case the sun rises at 3''.47'.32", and sets at 8h.12'.28"; double the time of rising gives the length of the night, and double the time of setting gives the length of the day. (K) When the sun's declination is equal to, or greater than the the complement... | |
 | J. Goldsmith - 1811 - 184 Seiten
...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...sun's rising, which gives the length of the night: double * About the zist of March the sun rises due east, and sets i!ue west; between this and the iist... | |
 | 1820 - 352 Seiten
...rises or sets that day. PROBLEM X. — To Jlnd the length of the day and night at any lime of the year. Double the time of the sun's rising, which gives the length of the night ; double the time of his setting, which gives the length of the day. i — 334 OF THE GLOBES. What... | |
 | Sir Richard Phillips - 1821 - 256 Seiten
...Vienna, on the 15th of April, the 4th of July, and the 20th of November ? * PROBLEM X. — To jind the length of the day and night at any time of the...sun's rising, which gives the length of the night : double the time of the setting, which gives the length of the day. Ex. — Thus, on the 25th of May... | |
 | Joseph Emerson Worcester - 1822 - 354 Seiten
...rises or sets that day. FBOBLEM X. To find the length of the day andrdght at any time in the year. Double the time of the sun's rising, which gives the length of the night : double the time of his setting, which gives the length of the day. Tints on the 25th of May, the... | |
 | Thomas Keith - 1826 - 504 Seiten
...In the present case the sun rises at 3h.47'.32", and sets at 8h.12'.28"; double the time of rising gives the length of the night, and double the time of setting gives the length of the day. (X) When the sun's declination is equal to, or greater than the complement... | |
 | L. Ring - 1831 - 200 Seiten
...October 22nd, November 8th, August 8th, December 22nd, February 14th, March 15. PROBLEM XVII.— To find the length of the day and night at any time of the...sun's rising which gives the length of the night, double the time of the setting and it gives the length of the day. Examples. Thus on the 12th of November... | |
 | Barnum Field - 1837 - 166 Seiten
...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, which gives the length of the day. How can the length of the... | |
 | Thomas Keith - 1839 - 498 Seiten
...the present case the sun rises at 3h 47m 32', and sets at 8i> 12™ 28s; double the time of rising gives the length of the night, and double the time of setting, gives the length of the day. When the sun's declination is equal to, or greater than, the complement... | |
 | Barnum Field - 1840 - 168 Seiten
...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, which gives the length of the day. How can the length of the... | |
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Double the time of the sun's rising, which gives the length of the night, and double the time of setting, which gives the length of the day. 
