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 78
Side 34
... mile is 6082 66 feet , and an imperial mile is 5280 feet ; express each of these miles as decimals of the other . Also find how near the results are to the decimal values of 33 and 33 . 6. A sidereal day is 23h 56m 409 ; express this as ...
... mile is 6082 66 feet , and an imperial mile is 5280 feet ; express each of these miles as decimals of the other . Also find how near the results are to the decimal values of 33 and 33 . 6. A sidereal day is 23h 56m 409 ; express this as ...
Side 35
... mile . The next inferior denomination to that of miles is here feet , of which the number in one mile is .... 0'115 X 6082 230 920 6900 699'430 feet . Ans . ( in the lowest denomination required ) Ex . 2 . Find the number of seconds in ...
... mile . The next inferior denomination to that of miles is here feet , of which the number in one mile is .... 0'115 X 6082 230 920 6900 699'430 feet . Ans . ( in the lowest denomination required ) Ex . 2 . Find the number of seconds in ...
Side 63
... miles , and that of the fullest parts ( about the equator ) being nearly 261 more . We can , of course , in a work like this give no intelligible account of the refined mathematical processes by which the most probable values of the ...
... miles , and that of the fullest parts ( about the equator ) being nearly 261 more . We can , of course , in a work like this give no intelligible account of the refined mathematical processes by which the most probable values of the ...
Side 69
... miles , of 60 to the degree of latitude . Thus ( fig . , page 64 ) , the length of line A F expressed in minutes of a great circle of the earth , is called the distance . * It is not the shortest distance , that is the distance as the ...
... miles , of 60 to the degree of latitude . Thus ( fig . , page 64 ) , the length of line A F expressed in minutes of a great circle of the earth , is called the distance . * It is not the shortest distance , that is the distance as the ...
Side 72
... miles : find the lat . in . 6,0 ) 9,4 Ex . 2 . A ship from lat . 2 ° 25 ′ N. sails South , 180 miles : what lat . is she in ? 6,0 ) 18,0 Lat . from 2 ° 25 ' N. D. lat 3 ° 0 ' 3 。 S. • 35 S. In this example it is evident that as the ...
... miles : find the lat . in . 6,0 ) 9,4 Ex . 2 . A ship from lat . 2 ° 25 ′ N. sails South , 180 miles : what lat . is she in ? 6,0 ) 18,0 Lat . from 2 ° 25 ' N. D. lat 3 ° 0 ' 3 。 S. • 35 S. In this example it is evident that as the ...
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).