 | William Mitchell Gillespie - Surveying - 1855 - 436 pages
...Departure. The Double Longitude of the SECOND COURSE is equal to the Double Longitude of the first course, plus the Departure of that course, plus the Departure of the second course. 182 COMPASS SURVEYING. [PART in. The Double Longitude of ANY course is equal to the... | |
 | William Mitchell Gillespie - Surveying - 1856 - 478 pages
...Departure. The Double Longitude of the SECOND COURSE is equal to the Double Longitude of the first course, plus the Departure of that course, plus the Departure of the second course. The Double Longitude of the THIRD COURSE is equal to the Double Longitude of the second... | |
 | Charles Davies - Navigation - 1857 - 424 pages
...hence, the double meridian distance of a course, is equa] I a but 2KL = IL is the = MC is the deparplus the departure of that course plus the departure of...terms become zero. "We therefore have the following EULE. I. The double meridian distance of the first course is equal to its departure. П. The double... | |
 | Charles Davies, William Guy Peck - Mathematics - 1857 - 608 pages
...double meridian distance of any other course is equal to the double meridian distance of the previous course, plus the departure of that course, plus the departure of the course itself. In using the rule, the propel • signs of the latitudes and departures must CALCULATION. Station».... | |
 | William Mitchell Gillespie - Surveying - 1857 - 538 pages
...Departure, The Double Longitude of the SECOND COURSE is equal to the Double Longitude of the 'first course, plus the Departure of that course, plus the Departure of the second course. The Double Longitude of the THIRD COURSE is equal to the Double Longitude of the second... | |
 | Charles Davies - Navigation - 1866 - 448 pages
...the course AB, and 2LD = MC is the departure of the course EC ; consequently, 2 GD = 2 GK+ IL + MC; , plus the departure of that course plus the departure...become zero. We therefore have the following RULE. L The double meridian distance of the first course is equal to its departure. П. The doubk meridian... | |
 | Charles Davies - Navigation - 1866 - 426 pages
...course EC ; consequently, 2&b = 2GK+ IL + MC; hence, the double meridian distance of a course, is equal plus the departure of that course plus the departure...itself; if there is no preceding course, the first two terras become zero. We therefore have the following EULE. I. The double meridian distance of the first... | |
 | William Mitchell Gillespie - Surveying - 1868 - 530 pages
...De« parture* The Double Longitude of the SECOND COURSE is equal to the Double Longitude of the first course, plus the Departure of that course, plus the Departure of the second course. 182 [PART in 194. The Double Longitude of ANY course is equal to the Double. Longitude... | |
 | Engineering - 1871 - 694 pages
...of the second course. The double departure of the third course is the double departure of the second course, plus the departure of that course, plus the departure of the third course, as will be seen by the figure. And so on, calling East departures positive and West negative,... | |
 | Aaron Schuyler - Measurement - 1864 - 512 pages
...of the first course, plus the departure of the second course. 3. The double meridian distance of any course is equal to the double meridian distance of...departure of that course, plus the departure of the given course. 4. The double meridian distance of the last conrse is equal to its departure with ite... | |
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MC; hence, the double meridian distance of a course is equal to the double meridian distance of the preceding course, plus the departure of that course, plus the departure of the course itself : if .there is no preceding course, the first two terms become... 
