 | P. O'Shaughnessy (Civil engineer) - 1848 - 110 pages
...All the meridians passing through any small survey, may be considered as straight and parallel lines. The bearing of a line, is the angle which it makes, with a meridian passing through one end of the line ; reckoned from the north or south points of the horizon,... | |
 | William Mitchell Gillespie - 1855 - 436 pages
...though never precise, and seldom correct, it is generally not very wrong. CHAPTER III. THE FIELD WORK, (235) Taking Bearings. The "Bearing" of a line is...124, the angle NAB is the Bearing of the line AB, and NAC is the Bearing of AC. The Bearing and length of a line are named collectively the Course. To take... | |
 | William Mitchell Gillespie - 1856 - 478 pages
...though never precise, and seldom correct, it is generally not very wrong. CHAPTER IH. THE FIELD WORK. (235) Taking Bearings. The " Bearing" of a line is...the Bearing of AC. The Bearing and length of a line are named collectively the Course. To take the Bearing of any line, set the compass exactly over any... | |
 | William Mitchell Gillespie - 1856 - 466 pages
...though never precise, and seldom correct, it is generally not very wrong. CHAPTER III. THE FIELD WORK, (235) Taking Bearings. The " Bearing'' of a line is...makes with the direction of the needle. Thus, in Fig. 147,'page 124, the angle NAB is the Bearing of the line AB, and NAG is the Bearing of AC. The Bearing... | |
 | William Mitchell Gillespie - 1857 - 538 pages
...wrong. CHAPTER III. THE FIELD WORK. t (235) Taking Bearings. The " Bearing" of a line is the an- , gle which it makes with the direction of the needle. Thus,...the Bearing of AC. The Bearing and length of a line are named collectively the Course. To take the Bearing of any line, set the compass exactly over any... | |
 | Gerardus Beekman Docharty - 1867 - 474 pages
...length measured in a horizontal direction. 2. A meridian is any line running due north and south. 3. The bearing of a line is the angle which it makes with a meridian. 4. The difference of latitude of a line is the distance that one end is farther north or... | |
 | William Mitchell Gillespie - 1868 - 530 pages
...seldom correct, it is generally not 'very wrong. CHAPTER III. THE FIELD WORK, (285) Taklag BearingSt The " Bearing" of a line is the angle which it makes...124, the angle NAB is the Bearing of the line AB, and NAC is the Bearing of AC. The Bearing and length of a line are named collectively the Course. To take... | |
 | William Mitchell Gillespie - 1869 - 550 pages
...though never precise, and seldom correct, it is generally not very wrong. CHAPTER III. THE FIELD WORK, (235) Taking Bearings. The " Bearing" of a line is...the Bearing of AC. The Bearing and length of a line are named collectively the Course. To take the Bearing of any line, set the compass exactly over any... | |
 | William Mitchell Gillespie - 1870 - 552 pages
...seldom correct, it is generally not very wrong. CHAPTER III. THE FIELD WORK. (235) Taking Bcarinp. The " Bearing" of a line is the angle which it makes...the Bearing of AC. The Bearing and length of a line aro named collectively the Course. To take the Bearing of any line, set the compass exactly over any... | |
 | William Mitchell Gillespie - 1875 - 530 pages
...never precise, and seldom correct, it is generally not very wrong. CHAPTER III, (235) Taking Bearing's. The " Bearing" of a line is the angle which it makes...the Bearing of AC. The Bearing and length of a line are named collectively the Course. To take the Bearing of any line, set the compass exactly over any... | |
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Bearing and length of a line are named collectively the Course. To take the Bearing of any line, set the compass exactly over any point of it by a plumb-line suspended from beneath the centre of the compass, or, approximately, by dropping a stone. Level... 
