 | Franklin C. Brownell - Scientific apparatus and instruments - 1861 - 200 pages
...Francisco ? (8.52 AM); at Calcutta? (11 PM) 3. What hour in Chicago when 9 AM at New York? PROBLEM IX. To find the difference of longitude between two places when the difference of time is known. RULE. Reckon 15 degrees of longitude for every hour of time, and 1 degree for every four minutes of... | |
 | Horatio Nelson Robinson, Daniel W. Fish - Arithmetic - 1871 - 384 pages
...city of Mexico, 99° 5' west? Ans. Dec. 31, 1858, 58 min. 48 sec. past 10, PM CASE II. 226. To fiild the difference of longitude between two places, when...4 ) 41 32 4 seconds of time, a difference of 1' of -T^ -^fil longitude, there will be ^ as many de' grees of longitude as there are minutes of time, and... | |
 | Horatio Nelson Robinson, Daniel W. Fish - Arithmetic - 1858 - 378 pages
...at the city of Mexico, 99° 5' west? Ans. Dec. 31, 1858, 58 min. 48 sec. past 10, PM CASE II. 2J2O. To find the difference of longitude between two places,...OPERATION. ANALYSIS. Since 4 minutes of time min. see. make a difference of 1° of longitude, and 4 ) 41 32 4 seconds of time, a difference of 1' of... | |
 | Horatio Nelson Robinson, Daniel W. Fish - Arithmetic - 1873 - 384 pages
...at the city of Mexico, 99° 5' west? Ans. Dec. 31, 1858, 58 min. 48 sec. past 10, PM CASE II. 226. To find the difference of longitude between two places,...) 41 . 32 4 seconds of time, a difference of 1' of ~ longitude, there will be \ as many de:< , , Ans. grees of longitude as there are minutes of time,... | |
 | Daniel W. Fish - Arithmetic - 1874 - 540 pages
...are the two points of starting, and in what direction did each travel? IVRITTES EXE RC IS HS . 448. To find the difference of longitude between two places, when the difference of time is known. 1. When it is 9 o'clock at Washington, it is 7 min. 4 sec, past 8 o'clock at St. Louis. Find the diff.... | |
 | Horatio Nelson Robinson, Daniel W. Fish - Arithmetic - 1875 - 406 pages
...time at the city of Mexico, 99" 5' west? Ans. Dec. 31, 1858, 58 min. 48 sec. past 10, PM CASE II. 226. To find the difference of longitude between two places,...longitude ? OPERATION. ANALYSIS. Since 4 minutes of time mio. sec. make a difference of 1° of longitude, and 4 ) 41 32 4 seconds of time, a difference of 1'... | |
 | Horatio Nelson Robinson, Daniel W. Fish - Arithmetic - 1877 - 374 pages
...the city of Mexico, 99° 5' west ? Ans. Dec. 31, 1858, 58 min. 48 sec. past 10, p. ii. CASE II. 226. To find the difference of longitude between two places,...min. 32 sec., what is the difference of longitude ? OPEBATION. ANALYSIS. Since 4 minutes of time min, sec. make a difference of 1" of longitude, and... | |
 | William Frothingham Bradbury - Arithmetic - 1879 - 392 pages
...In which of two places, at a given moment, is it later in the day ? 281. Give the Rule for finding the difference of longitude between two places, when the difference of time is known. 284. In customary weights and measures what is the value of a meter ? of a hektar ? of a liter ? of... | |
 | Joseph Ray - Arithmetic - 1880 - 420 pages
...152° 46' 2" by 9. 16° 58' 26 f". 225. Longitude and Time give rise to two cases: 1. To find ilie difference of longitude between two places when the difference of time is given. 2. To find, the difference of time when their longitudes are given. PROBLEM. — The difference... | |
 | Alexander Duncan - Examinations - 1882 - 180 pages
...Work out the following: 76 yr. 108 da. 2 hr. 38 mi. 26.18 sec. -^45. Art. 224, Ex. 11. 12. How do you find the difference of longitude between two places when the difference of time is given? Also, the difference of time when their -longitudes are given? What is the rule for each case?... | |
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To find the difference of longitude between two places, when the difference of time is known. 1. If the difference of time between New York and Cincinnati be 41 min. 32 sec., what is the difference of longitude ? OPERATION. ANALYSIS. Since 4 minutes of... 
