Manual of navigation, Nide 71James Maclehose, 1880 - 112 sivua |
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Tulokset 1 - 5 kokonaismäärästä 26
Sivu
... Position at Sea , Longitude by Equal Altitudes of the Sun , Publications more or less useful for Navigation , Development of the Law of Storms , Regulations for Preventing Collisions at Sea , Signals of Distress , ... ... Signals for ...
... Position at Sea , Longitude by Equal Altitudes of the Sun , Publications more or less useful for Navigation , Development of the Law of Storms , Regulations for Preventing Collisions at Sea , Signals of Distress , ... ... Signals for ...
Sivu 14
... position of the observer . 17. The Rational Horizon is a great circle passing through the 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 ...
... position of the observer . 17. The Rational Horizon is a great circle passing through the 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 ...
Sivu 15
... position of the observer . 32. Semi - diameter of a celestial object is the angle at the eye of the observer subtended by half the diameter of the object . 33. Augmentation of the Moon's Semi - diameter is the apparent increase in the ...
... position of the observer . 32. Semi - diameter of a celestial object is the angle at the eye of the observer subtended by half the diameter of the object . 33. Augmentation of the Moon's Semi - diameter is the apparent increase in the ...
Sivu 16
... position relative to the earth which sensibly affects his apparent velocity . 41. Mean Time is a uniform period used for conven- ience , on the supposition that the sun moves in the plane of the equator instead of in the ecliptic . The ...
... position relative to the earth which sensibly affects his apparent velocity . 41. Mean Time is a uniform period used for conven- ience , on the supposition that the sun moves in the plane of the equator instead of in the ecliptic . The ...
Sivu 20
... position for this compass , the vicinity of vertical iron , or of any considerable mass of iron , must be guarded against ; and no portable pieces of iron subject to occasional removal permitted to be placed within a radius of say 15 ...
... position for this compass , the vicinity of vertical iron , or of any considerable mass of iron , must be guarded against ; and no portable pieces of iron subject to occasional removal permitted to be placed within a radius of say 15 ...
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.