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 |
Inni boken
Resultat 1-5 av 86
Side 63
... distance on the sea , in any part of the world , the hull is entirely or partly concealed by the water , though the masts are visible . 2nd . Ships have actually and repeatedly made the circuit of the globe ; that is , by sailing from a ...
... distance on the sea , in any part of the world , the hull is entirely or partly concealed by the water , though the masts are visible . 2nd . Ships have actually and repeatedly made the circuit of the globe ; that is , by sailing from a ...
Side 65
... distance from the equator , measured in degrees ( ° ) , minutes ( ) , and seconds ( " ) , * on the meridian of the place , or its angular distance from the equator measured by the arc of the meridian intercepted ( cut off ) , between ...
... distance from the equator , measured in degrees ( ° ) , minutes ( ) , and seconds ( " ) , * on the meridian of the place , or its angular distance from the equator measured by the arc of the meridian intercepted ( cut off ) , between ...
Side 66
... distance from the equator , are said to be on the same parallel : thus ( fig . , page 64 ) , O , F , and b B ' are portions of parallels of latitude , and all places on O , F , and b B ' , & c . , have the same latitude , being on the ...
... distance from the equator , are said to be on the same parallel : thus ( fig . , page 64 ) , O , F , and b B ' are portions of parallels of latitude , and all places on O , F , and b B ' , & c . , have the same latitude , being on the ...
Side 67
... distance from the equator of 45 ° , every point of such circle will be equally characterized by the latitude of 45 ° . But if we state its latitude and longitude , we can fix at once and unequivocally , the position of the place . Thus ...
... distance from the equator of 45 ° , every point of such circle will be equally characterized by the latitude of 45 ° . But if we state its latitude and longitude , we can fix at once and unequivocally , the position of the place . Thus ...
Side 69
... distance . * It is not the shortest distance , that is the distance as the " crow flies . " On a Mer- cator's Chart the rhumb is represented by a straight line , but it must be borne in mind , that equal parts of any such line do not ...
... distance . * It is not the shortest distance , that is the distance as the " crow flies . " On a Mer- cator's Chart the rhumb is represented by a straight line , but it must be borne in mind , that equal parts of any such line do not ...
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).