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" Having determined the deviation with the ship's head on the various points of the compass, how do you know when it is easterly and when westerly ? 4. "
Newton's Guide to the Board of trade examinations of masters and mates of ... - Página 7
por John Newton - 1884 - 176 páginas
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Catechism for the Marine board examinations, Parte1

James Gordon (teacher of navigation.) - 1872 - 32 páginas
...determined the deviation with the Ship's head on the various 4. Why is it necessary, in order to ascertain the deviations, to bring the Ship's head in more than...points to which the Ship's head should be brought 1 6. How would you find the deviation when sailing along a well-known coast 1 7. In the following Table...
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A Guide to the Local Marine Board Examinations of Masters and Mates

Leonard Allen - 1872 - 178 páginas
...deviation is Easterly ; but when to the left, Westerly. 4. Why is it necessary in order to ascertain the deviations, to bring the ship's head in more than one direction ? Because the north end of the needle is sometimes drawn to the right hand of the correct magnetic...
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Practice of Navigation and Nautical Astronomy, Volumen43

William Culley Bergen - 1872 - 572 páginas
...deviation is East, but if it be to the left it is West. 4. Why is it necessary in order to ascertain the deviations, to bring the Ship's head in more than one direction ? Because the deviation alters as the course alters. 5. For accuracy, what is the least number of points...
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The questions of the syllabus of examination of masters in the laws of the ...

P E. Le Couteur - 1874
...— Because the deviation is not a uniform quantity, but varies in amount as the course alters. Q. 5. — For accuracy, what is the least number of points to which the ship's head should be brought ? A. — Eight ; but a curve may be drawn from the deviations observed on the four quadrantal points...
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Seamanship

William Culley Bergen - 1875 - 87 páginas
...you know when it is Easterly and when Westerly ? 4. — Why is it necessary, in order to ascertain the deviations, to bring the Ship's head in more than...the deviation when sailing along a wellknown coast ? Questions 7, 8, 9 and 10 are solved in the Examples in the use of Napier's Diagram. 11. — Name...
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A Manual of the Examination of Masters and Mates as Instituted by the ...

William C. Seaton - 1875 - 272 páginas
...brings the iron in the ship into a different relative position with regard to the compass needle. ;"'. For accuracy what is the least number of points to which the ship's head should be brought ? Eight. The four cardinal and the four mid-cardinal points are the best. fi. How would you find the...
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Guide Book to the Local Marine Board Examination: The Ordinary Examination

Thomas Liddell Ainsley - 1875 - 396 páginas
...tho deviation is easterly, when to the left, westerly. 4. Why is it necessary, in order to ascertain the deviations, to bring the ship's head in more than one direction P A. Because the deviation alters as the direction of tho ship's head is changed. 5. For accuracy,...
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Magnetism and Deviation of the Compass: For the Use of Students in ...

John Merrifield - 1876 - 126 páginas
...variation reckoning from the north.— ARTS. 46, 47, 48, 49. 4. Why is it necessary, in order to ascertain the deviations, to bring the ship's head in more than one direction ? Because the deviation changes with the direction of the ship's head. — ART. 44. 5. For accuracy,...
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A guide book to the Local marine board examination. The ordinary ..., Volumen24

Thomas Liddell Ainsley - 1880
...the deviation is easterly, when to the left, westerly. 4. Why is it necessary, in order to ascertain the deviations, to bring the ship's head in more than one direction ? A. Because the deviation alters as the direction of the ship's head is changed. 5. For accuracy,...
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Reed's Seamanship, and young mariner's guide

Reed Thomas and co, ltd - 1881
...ship's standard compass, and Westerly when to the left. 4. Why is it necessary, in order to ascertain the deviations, to bring the ship's head in more than one direction ? Because the deviation is different for every direction of the ship's head. 5. For accuracy, what...
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