A guide book to the Local marine board examination. The ordinary examination. [With] The requisite elements from the Nautical almanac for 1865, for the exercises in Ainsley's Guide book |
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Resultat 1-5 av 84
Side 70
... true difference of latitude . 2 ° . When the latitudes have unlike names - Take the sum of the two latitudes , reduce it to minutes , and attach N. or S. according as the lat . to is N. or S. of lat . from . The result is the true ...
... true difference of latitude . 2 ° . When the latitudes have unlike names - Take the sum of the two latitudes , reduce it to minutes , and attach N. or S. according as the lat . to is N. or S. of lat . from . The result is the true ...
Side 72
... true difference of latitude . RULE XXXII , 1o . When latitude from and true difference of latitude have a like name - To the latitude from add the true difference of latitude ( turned into degrees , minutes , and seconds , if necessary ) ...
... true difference of latitude . RULE XXXII , 1o . When latitude from and true difference of latitude have a like name - To the latitude from add the true difference of latitude ( turned into degrees , minutes , and seconds , if necessary ) ...
Side 78
... true north , the difference between them is called the Variation of the Compass . It is said to be easterly when the north end of the needle is drawn to the eastward , and westerly when drawn to the westward of the true north : thus ...
... true north , the difference between them is called the Variation of the Compass . It is said to be easterly when the north end of the needle is drawn to the eastward , and westerly when drawn to the westward of the true north : thus ...
Side 79
... true north , and every other point on the card will be shifted round two points . If , therefore , a ship is sailing by compass N.N.W. , or , as it is usually expressed , her compass course is N.N.W. , her true course will be north ...
... true north , and every other point on the card will be shifted round two points . If , therefore , a ship is sailing by compass N.N.W. , or , as it is usually expressed , her compass course is N.N.W. , her true course will be north ...
Side 80
... true course is therefore N.N.E. E. Ex . 3. Course by compass N.N.E. , variation 2 points West , the true course 2 points to the left hand of N.N.E. , or N. W. Ex . 5. Compass course S.E. , varia- tion 1 points East , then the true ...
... true course is therefore N.N.E. E. Ex . 3. Course by compass N.N.E. , variation 2 points West , the true course 2 points to the left hand of N.N.E. , or N. W. Ex . 5. Compass course S.E. , varia- tion 1 points East , then the true ...
Vanlige uttrykk og setninger
A.M. at ship acct altitude sun's L.L. anchor bearing by compass charter-party chronometer column common logarithms compass course cosec cosine course and distance cyphers daily decimal point decl declination deviation difference of latitude difference of longitude dunnage East equator error EXAMINATION EXAMPLES FOR PRACTICE eye 18 feet fast fathoms fixed light Flags given Green Greenwich date Greenwich mean haul height of eye helm high water hour-angle Hourly diff index corr index correction June leeway London Bridge longitude by chronometer mantissa master miles minutes Multiply Nautical Almanac Norie North observed altitude sun's observed meridian altitude P.M. tides parallel sailing Polar dist port Raper required the latitude Rule sail secant Semi-diameter semid set by compass sextant side Signal sine South starboard subtract True altitude true azimuth true course Variation 2 points vessel West wind yard
Populære avsnitt
Side 303 - 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.
Side 302 - ... abaft the beam on the starboard side, and of such a character as to be visible at a distance of at least two miles.
Side 309 - The said green and red side lights shall be fitted with inboard screens projecting at least three feet forward from the light, so as to prevent these lights from being seen across the bow.
Side 302 - On the starboard side a green light so constructed as to show an unbroken light over an arc of the horizon of...
Side 302 - 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...
Side 314 - 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.
Side 309 - Whenever, as in the case of small vessels under way during bad weather, the green and red side lights cannot be fixed, these lights shall be kept at hand, lighted and ready for use : 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, nor, if practicable, more than two points...
Side 303 - Lights required for other Vessels ; but shall, if they do not carry such Lights, carry a Lantern having a Green Slide on the One Side, and a Red Slide on the other Side ; and on the Approach of or to other Vessels, such Lantern shall be exhibited in sufficient time to prevent Collision, so that the Green Light shall not be seen on the Port Side, nor the Red Light on the Starboard Side.
Side 336 - The names of every seaman or apprentice who ceases to be a member of the crew, otherwise than by death, with the place, time, manner, and cause thereof.
Side 302 - ... which is under steam, whether under sail or not, is to be considered a ship under steam. Rules concerning Lights (a).