Manual of navigation, 71권James Maclehose, 1880 - 112페이지 |
도서 본문에서
24개의 결과 중 1 - 5개
16 페이지
... True Altitude is the true angular height of an object's centre above the rational horizon . 37. Civil Time is used to record events in ordinary life . The day commences at midnight and terminates at the following midnight . It is ...
... True Altitude is the true angular height of an object's centre above the rational horizon . 37. Civil Time is used to record events in ordinary life . The day commences at midnight and terminates at the following midnight . It is ...
17 페이지
... true meridian . 44. Deviation of the Compass is the angle the compass needle makes with the magnetic meridian . 45. The Error of the Compass is the angle the compass needle makes with the true meridian . 46. True Course is the angle a ...
... true meridian . 44. Deviation of the Compass is the angle the compass needle makes with the magnetic meridian . 45. The Error of the Compass is the angle the compass needle makes with the true meridian . 46. True Course is the angle a ...
18 페이지
... true north pole of the earth in the year 1659 , it follows that it will be on the intermediate 180th meridian in the year 2,139 , and again on that of Greenwich in the year 2,619 ; hence the continual change in the variation of the ...
... true north pole of the earth in the year 1659 , it follows that it will be on the intermediate 180th meridian in the year 2,139 , and again on that of Greenwich in the year 2,619 ; hence the continual change in the variation of the ...
22 페이지
... true in all latitudes . The smallness of the needles in the new compass allows the perfect correction for all latitudes , of a quadrantal error of 5 or 6 degrees for a 10 - inch compass , and 11 or 12 degrees for a 7 - inch compass , by ...
... true in all latitudes . The smallness of the needles in the new compass allows the perfect correction for all latitudes , of a quadrantal error of 5 or 6 degrees for a 10 - inch compass , and 11 or 12 degrees for a 7 - inch compass , by ...
25 페이지
... true South pole ( red ) up , and true North pole ( blue ) down , in the central tube of the binnacle below the middle of the compass , and sliding it up or down till it is found that changes of the ship's inclination , without changes ...
... true South pole ( red ) up , and true North pole ( blue ) down , in the central tube of the binnacle below the middle of the compass , and sliding it up or down till it is found that changes of the ship's inclination , without changes ...
자주 나오는 단어 및 구문
angle apparent atmosphere azimuth barometer binnacle blue Blue Ensign boat broken water celestial object centre chart chronometer circle clouds collision column correct magnetic bearing CYCLONES Declination decn degrees deviation Diagram Diff difference of longitude direction distant object earth east or west easterly equal equator fall feet Flinders-bar foretells fine weather glass Greenwich heeling height of eye horizon hour inches knots land latitude life-boats Long LONGITUDE BY CHRONOMETER Magnetic Course magnetic hemisphere mercury meridian meridian altitude miles minutes moon Nautical Almanac needle noon North magnetic pole north or south north point northern hemisphere oars observed altitude parallel parallel sailing placed Polar pole port position rain Right Ascension rise Royal Naval Reserve rule running S.-diar sailing ship sextant ship's head Ships under Steam shore side signals sky foretells wind standard compass starboard steam ship steered stern subtract surf tide True altitude Variation vertical line vessel
인기 인용구
88 페이지 - ... abaft the beam on the port side ; and of such a character as to be visible on a dark night, with a clear atmosphere, at a distance of at least two miles.
93 페이지 - ... other; in other words, to cases in which, by day, each vessel sees the masts of the other in a line, or nearly in a line, with her own; and by night, to cases in which each vessel is in such a position as to see both the side-lights of the other.
92 페이지 - When both are running free, with the wind on different sides, the vessel which has the wind on the port side shall keep out of the way of the other.
95 페이지 - Nothing in these rules shall exonerate any ship, or the owner, or master, or crew thereof, from the consequences of any neglect to carry lights or signals, or of any neglect to keep a proper look-out, or of the neglect of any precaution which may be required by the ordinary practice of seamen, or by the special circumstances of the case.
98 페이지 - A gun or other explosive signal fired at intervals of about a minute. 2. The International Code signal of distress indicated by NC 3.
90 페이지 - ... in a globular lantern of not less than eight inches in diameter, and so constructed as to show a clear uniform and unbroken light visible all round the horizon at a distance of at least one mile.
95 페이지 - In obeying and construing these Rules due regard shall be had to all dangers of navigation and collision, and to any special circumstances which may render a departure from the above Rules necessary in order to avoid immediate danger.
96 페이지 - If he fails so to do, and no reasonable cause for such failure is shown, the collision shall, in the absence of proof to the contrary, be deemed to have been caused by his wrongful act, neglect, or default.
98 페이지 - AT NIGHT 1. A gun fired at intervals of about a minute. 2. Flames on the vessel (as from a burning tar barrel, oil barrel, etc.). 3. Rockets or shells, bursting in the air with a loud report and throwing stars of any color or description, fired one at a time at short intervals.
88 페이지 - ... from right ahead to two points abaft the beam on the port side, and of such a character as to be visible at a distance of at least two miles.