Reed's New guide book to the local marine board examinations of masters and mates for certificates of competency. By J.J. Stiles |
Kirjan sisältä
Tulokset 1 - 5 kokonaismäärästä 20
Sivu 10
... chronometer by the usual methods . He must know how to lay off the place of the ship on the chart , both by bearings of known objects , and by latitude and longitude . He must be able to determine the error of a sextant and adjust it ...
... chronometer by the usual methods . He must know how to lay off the place of the ship on the chart , both by bearings of known objects , and by latitude and longitude . He must be able to determine the error of a sextant and adjust it ...
Sivu 11
... chronometers and keep their rates , and find the longitude by them from an observation of the sun ; to work the latitude by single altitude of the sun off the meridian ; and be able to use and adjust the sextant by the sun . IN ...
... chronometers and keep their rates , and find the longitude by them from an observation of the sun ; to work the latitude by single altitude of the sun off the meridian ; and be able to use and adjust the sextant by the sun . IN ...
Sivu 24
... True dec . 18 ° 14 ' Lat . 20 ° 10 ' True amp . E. 19 ° 28 ′ N. Obs . amp . E. 33 30 N. Sine 9.495388 Secant 0.027476 Variation 14 02 East . Sine 9.522864 W S E OTA -T CHRONOMETER TIME . To the time shown by chronometer , 24.
... True dec . 18 ° 14 ' Lat . 20 ° 10 ' True amp . E. 19 ° 28 ′ N. Obs . amp . E. 33 30 N. Sine 9.495388 Secant 0.027476 Variation 14 02 East . Sine 9.522864 W S E OTA -T CHRONOMETER TIME . To the time shown by chronometer , 24.
Sivu 25
Reed Thomas and co, ltd. CHRONOMETER TIME . To the time shown by chronometer , apply the original error , adding if slow , and subtracting if fast ; then find the accumulated rate , and add if the chronometer is losing , and subtract if ...
Reed Thomas and co, ltd. CHRONOMETER TIME . To the time shown by chronometer , apply the original error , adding if slow , and subtracting if fast ; then find the accumulated rate , and add if the chronometer is losing , and subtract if ...
Sivu 27
... chronometer time ; then use the following formula . Alt . Lat . Secant 0 ..... Secant 0 ... P. dist . 2 ) Sum . Sum Cosine Cosine 2 ) Sum . ( Diff . between p.dis . & Sum ) After obtaining the ( azimuth ) log Sine Add . azimuth ...
... chronometer time ; then use the following formula . Alt . Lat . Secant 0 ..... Secant 0 ... P. dist . 2 ) Sum . Sum Cosine Cosine 2 ) Sum . ( Diff . between p.dis . & Sum ) After obtaining the ( azimuth ) log Sine Add . azimuth ...
Yleiset termit ja lausekkeet
A-Long A. M. and P. M. A. M. at ship ADDITIONAL FOR MASTER Barometer Beachy Head bearing by compass Berry Head boilers BRISTOL CHANNEL Cape Carnsore Point Catherine's Point Certificate of Competency Chart Coast of England common logs Compass Course Course and Distance Dist dunnage East engines English Channel eye 16 feet eye 20 feet Foreland Harbour height Home-trade Passenger Ship Horary Angle index error Island latitude by account Light bearing light-vessel Lizard longitude by chronometer Longships M. D. lat Mercator's sailing Natural Number Navigation Norie's North observed altitude observed meridian altitude P. M. tides parallel sailing pier head Rame Head Required the A. M. Required the Compass Required the latitude Required the longitude Required the variation revolving 1 fixed Scilly SECOND MATE ship by compass ship's South South Foreland Steam Ships Strait Sunderland True Azimuth True Dec True Green Ushant vessel West wind Wolf Rock
Suositut otteet
Sivu 75 - ... on their respective sides in sufficient time to prevent collision, in such manner as to make them most visible, and so that the green light shall not be seen on the port side nor the red light on the starboard side.
Sivu 75 - ... and shall, on the approach of or to other vessels, be exhibited on their respective sides in sufficient time to prevent collision, in such manner as to make them most visible, and so that the green light shall not be seen on the port side, nor the red light on the starboard side.
Sivu 77 - Every steamship, when approaching another ship so as to involve risk of collision, shall slacken her speed, or if necessary stop and reverse ; and every steamship shall, when in a fog, go at a moderate speed.
Sivu 75 - ... points abaft the beam on the starboard side, and of such a character as to be visible at a distance of at least two miles.
Sivu 76 - When two steam vessels are meeting end on, or nearly end on, so as to involve risk of collision, each shall alter her course to starboard so that each may pass on the port side of the other.
Sivu 75 - ... points of the compass, so fixed as to throw the light 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.
Sivu 74 - In the following rules every steam vessel which is under sail and not under steam is to be considered a sailing vessel, and every vessel under steam, whether under sail or not, is to be considered a steam vessel. The words "steam vessel" shall include any vessel propelled by machinery. A vessel is "under way...
Sivu 76 - Pilot vessels, when engaged on their station on pilotage duty, shall not show the lights required for other vessels, but shall carry a white light at the masthead, visible all round the horizon, and shall also exhibit a flare-up light or flare-up lights at short intervals, which shall never exceed fifteen minutes.
Sivu 75 - Light so constructed as to throw an uniform and unbroken light over an arc of the horizon of 10 points of the compass ; so fixed as to throw the light from right ahead to two points abaft the beam...
Sivu 77 - 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.