Manual of navigation, Nide 71James Maclehose, 1880 - 112 sivua |
Kirjan sisältä
Tulokset 1 - 5 kokonaismäärästä 16
Sivu 21
... correct card . DESCRIPTION OF SIR WILLIAM THOMSON'S COMPASS . In size and outward appearance this compass does not differ from those hitherto in use ; but the card is con- structed on an entirely new principle . It consists of a central ...
... correct card . DESCRIPTION OF SIR WILLIAM THOMSON'S COMPASS . In size and outward appearance this compass does not differ from those hitherto in use ; but the card is con- structed on an entirely new principle . It consists of a central ...
Sivu 22
... correct a quadrantal error of 5 or 6 degrees , accord- ing to the Astronomer Royal's method , a 10 - inch compass of ordinary construction would require about two tons of soft iron , if the correction is to be true in all latitudes ...
... correct a quadrantal error of 5 or 6 degrees , accord- ing to the Astronomer Royal's method , a 10 - inch compass of ordinary construction would require about two tons of soft iron , if the correction is to be true in all latitudes ...
Sivu 25
Robert Assheton Napier. A subordinate object of the Flinders - bar is to partially correct the Heeling error , which has equal maximum value when the ship's head is North or South , and is zero when the ship's head is East or West , by ...
Robert Assheton Napier. A subordinate object of the Flinders - bar is to partially correct the Heeling error , which has equal maximum value when the ship's head is North or South , and is zero when the ship's head is East or West , by ...
Sivu 28
... correct about half the error on East and West courses ; the remainder must be accurately corrected by the fore - and - aft magnets . Suppose now the first adjustment to have been made . somewhere in the northern magnetic hemisphere ...
... correct about half the error on East and West courses ; the remainder must be accurately corrected by the fore - and - aft magnets . Suppose now the first adjustment to have been made . somewhere in the northern magnetic hemisphere ...
Sivu 29
... correct magnetic bearing is to the right , and Westerly when to the left of the bearing from on board . Correct Magnetic Bearing = S. 11 ° 15 ′ W. = 11 ° 15 ' E. EXAMPLE Standard Compass Bearing South . Deviation In the event of no ...
... correct magnetic bearing is to the right , and Westerly when to the left of the bearing from on board . Correct Magnetic Bearing = S. 11 ° 15 ′ W. = 11 ° 15 ' E. EXAMPLE Standard Compass Bearing South . Deviation In the event of no ...
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.