Manual of navigation, Nide 71James Maclehose, 1880 - 112 sivua |
Kirjan sisältä
Tulokset 1 - 5 kokonaismäärästä 17
Sivu
... give a corresponding error of about ten minutes of longitude . As books of some sort are almost indispensable , a list of the best modern works on various analogous subjects is appended for the further study of the reader . GLASGOW ...
... give a corresponding error of about ten minutes of longitude . As books of some sort are almost indispensable , a list of the best modern works on various analogous subjects is appended for the further study of the reader . GLASGOW ...
Sivu 22
... gives a very long period of free oscil- lation , which , from mathematical reasoning , is known to give great steadiness . The card with the needles is extremely light ; the 10- inch compass weighing 178 grains , which is about a ...
... gives a very long period of free oscil- lation , which , from mathematical reasoning , is known to give great steadiness . The card with the needles is extremely light ; the 10- inch compass weighing 178 grains , which is about a ...
Sivu 24
... give the proper height to the upper end of the iron bar . The compound column of iron and wood is kept in position and protected from rain and spray by a brass tube with upper end closed . The main object of the Flinders - bar is to ...
... give the proper height to the upper end of the iron bar . The compound column of iron and wood is kept in position and protected from rain and spray by a brass tube with upper end closed . The main object of the Flinders - bar is to ...
Sivu 26
... give it a transient magnetic quality marked with blue on the upper side or end , and red on the lower side or end . Thus , in the northern magnetic hemisphere , the Flinders- bar is transiently magnetized by the earth's vertical force ...
... give it a transient magnetic quality marked with blue on the upper side or end , and red on the lower side or end . Thus , in the northern magnetic hemisphere , the Flinders- bar is transiently magnetized by the earth's vertical force ...
Sivu 30
... give the correct magnetic bearing of the body , the difference between which and its bearing from on board will be the deviation for that direction of the ship's head . When the ship's head is brought to one point , the deviation for ...
... give the correct magnetic bearing of the body , the difference between which and its bearing from on board will be the deviation for that direction of the ship's head . When the ship's head is brought to one point , the deviation for ...
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.