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" IL + .VC; 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... "
Elements of Surveying and Leveling - Page 94
by Charles Davies - 1883 - 564 pages
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Elements of Surveying: Including a Description of the Instruments and the ...

Charles Davies - Navigation - 1837 - 342 pages
...its departure, plus the departure of the third course. IV. And, the double meridian distance of any course is equal to the double meridian distance of the preceding course, plus its departure, plus the departure of the course itself. REMARK. It should be recollected that plus...
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Elements of Surveying: With a Description of the Instruments and the ...

Charles Davies - Surveying - 1839 - 376 pages
...its departure, plus the departure of the third course. IV. And, the double meridian distance of any course is equal to the double meridian distance of the preceding course, plus its. departure, plus' the departure of the course itself. REMARK. It should be recollected that plus...
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Elements of Surveying: With a Description of the Instruments and the ...

Charles Davies - Surveying - 1839 - 376 pages
...its departure, plus the departure of the third course. IV. And, the double meridian distance of any course is equal to the double meridian distance of the preceding course, plus its departure, plus the departure of the course itself. REMARK. It should be recollected that plus...
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Elements of Surveying, and Navigation: With a Description of the Instruments ...

Charles Davies - Navigation - 1835 - 388 pages
...its departure, plus the departure of the third course. IV. And, the double meridian distance of any course is equal to the double meridian distance of the preceding course, plus ils departure, plus the departure of the course itself. REMARK. It should be recollected that plus...
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A Treatise on Trigonometry, Plane and Spherical: With Its Application to ...

Charles William Hackley - Trigonometry - 1851 - 524 pages
...be equal to the departure of that course. Double the meridian distance of any other course will be equal to the double meridian distance of the preceding course, plus the departure of the preceding course, plus its own departure.^ In applying this rule, distances to the right should...
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A Collection of Tables and Formulæ Useful in Surveying, Geodesy and ...

Thomas Jefferson Lee - Astronomy - 1853 - 288 pages
...meridian distance of the first course is equal to its departure. And the double meridian distance of any course is equal to the double meridian distance of the preceding course, plus its departure, plus the departure of the course itself, having regard to the algebraic sign of each....
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Elements of Surveying, and Navigation: With Descriptions of the Instruments ...

Charles Davies - Navigation - 1854 - 446 pages
...plus its departure, plus the departure of the second course. III. The double meridian distance of any course is equal to the double meridian distance of the preceding course, plus iis departure, plus .the departure of the course itself. 27. REMARK. It should be recollected that...
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A Treatise on Land Surveying: Comprising the Theory Developed from Five ...

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...
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A Treatise on Land-surveying: Comprising the Theory Developed from Five ...

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...
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Elements of Surveying, and Navigation: With Descriptions of the Instruments ...

Charles Davies - Navigation - 1857 - 452 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...
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