Manual of navigation, Nide 71James Maclehose, 1880 - 112 sivua |
Kirjan sisältä
Tulokset 1 - 5 kokonaismäärästä 13
Sivu 13
... centre . 3. A Small Circle is the circumference of any section of a sphere , whose plane does not bisect the sphere , nor pass through its centre . 4. The Arc of a Circle is any part or portion of the circumference of a circle . 5. The ...
... centre . 3. A Small Circle is the circumference of any section of a sphere , whose plane does not bisect the sphere , nor pass through its centre . 4. The Arc of a Circle is any part or portion of the circumference of a circle . 5. The ...
Sivu 14
... centre of the earth , whose plane is parallel to the sensible horizon . 18. The Zenith is that point which is vertically over the observer , and is 90 ° distant from all parts of the sensible or rational horizons . 19. Vertical Circles ...
... centre of the earth , whose plane is parallel to the sensible horizon . 18. The Zenith is that point which is vertically over the observer , and is 90 ° distant from all parts of the sensible or rational horizons . 19. Vertical Circles ...
Sivu 15
... centre of the earth , when passing obliquely from one transparent medium to another . 31. Parallax is the angle at the centre of a celestial object , subtended by a line joining the centre of the earth and the position of the observer ...
... centre of the earth , when passing obliquely from one transparent medium to another . 31. Parallax is the angle at the centre of a celestial object , subtended by a line joining the centre of the earth and the position of the observer ...
Sivu 16
... centre above the sensible horizon . 36. 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 ...
... centre above the sensible horizon . 36. 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 ...
Sivu 20
... should be deep vertically , but narrow , in order that the direction of magnetic force coincide with their middle lines . may The centre or cap should be fitted with a ruby 20 MANUAL OF NAVIGATION . Description of the Standard Compass,
... should be deep vertically , but narrow , in order that the direction of magnetic force coincide with their middle lines . may The centre or cap should be fitted with a ruby 20 MANUAL OF NAVIGATION . Description of the Standard Compass,
Yleiset termit ja lausekkeet
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
Suositut otteet
Sivu 88 - ... 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.
Sivu 93 - ... 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.
Sivu 92 - 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.
Sivu 95 - 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.
Sivu 98 - A gun or other explosive signal fired at intervals of about a minute. 2. The International Code signal of distress indicated by NC 3.
Sivu 90 - ... 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.
Sivu 95 - 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.
Sivu 96 - 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.
Sivu 98 - 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.
Sivu 88 - ... 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.