Navigation ; Ocean Meteorology ; Rules of the Road ; Nautical TablesInternational Textbook Company, 1902 |
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57개의 결과 중 6 - 10개
30 페이지
... tion and repulsion may be enunciated : Poles of contrary names attract each other , while poles of the same name repel each other . 64. Magnetic Property of the Earth . - If a magnet- ized needle be suspended in such a manner as to have ...
... tion and repulsion may be enunciated : Poles of contrary names attract each other , while poles of the same name repel each other . 64. Magnetic Property of the Earth . - If a magnet- ized needle be suspended in such a manner as to have ...
31 페이지
... tion is called the magnetic meridian . In general , the magnetic meridian does not coincide with the geographical meridian , and there are but few places on the earth at which the compass needle points to the true north . VARIATION 67 ...
... tion is called the magnetic meridian . In general , the magnetic meridian does not coincide with the geographical meridian , and there are but few places on the earth at which the compass needle points to the true north . VARIATION 67 ...
32 페이지
... tion is named east- erly . 68. The variation of the compass is different at different places on the earth's surface and at a given place it under- goes a gradual change from year to year . At such places where the magnetic meridian ...
... tion is named east- erly . 68. The variation of the compass is different at different places on the earth's surface and at a given place it under- goes a gradual change from year to year . At such places where the magnetic meridian ...
34 페이지
... tion of the south magnetic pole in 1839 in longitude 154 ° E and latitude 75 ° 30 ' S. 72. The magnetic dip , like the variation , is subject to continual and progressive changes , both secular and period- ical . Lines that are drawn ...
... tion of the south magnetic pole in 1839 in longitude 154 ° E and latitude 75 ° 30 ' S. 72. The magnetic dip , like the variation , is subject to continual and progressive changes , both secular and period- ical . Lines that are drawn ...
36 페이지
... tion is of less intensity . If the bar is held horizontally in an east - and - west position , it will lose its magnetism entirely . But soft iron can be transformed into hard iron by ham- mering it , and we know , also , that magnetism ...
... tion is of less intensity . If the bar is held horizontally in an east - and - west position , it will lose its magnetism entirely . But soft iron can be transformed into hard iron by ham- mering it , and we know , also , that magnetism ...
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A.M. Cosine A.M. Hr Awwww barometer bearing coast compass course correct Cosecant Cotangent course and distance Courses Dist cyclone danger angle dead reckoning deviation difference of latitude difference of longitude direction distance run east equator EXAMPLE feet find the course formulas great-circle track height Hence high water horizontal hour indicated knots Latitude and Departure latitude and longitude latitude parallels leeway log Dist log sec Long M. D. Lat magnetic Mercator's sailing meridian method middle latitude miles Naut nautical nautical miles navigation noon Ocean P.M. Hr P.M. Sine parallel ruler parallel sailing plane sailing pole port Propor rhumb line Secant set and drift ship sails ship's head side signals SOLUTION BY TRAVERSE steam vessel steered storm subt swwww wwwww Tang Tangent tide traverse tables triangle true course tude variation velocity vertex weather wind wwww Xcos Xsec Xtan ΙΟΙ
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26 페이지 - Nothing in these rules shall exonerate any vessel, 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 lookout, 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.
23 페이지 - When two sailing vessels are approaching one another, so as to involve risk of collision, one of them shall keep out of the way of the other as follows, viz.
27 페이지 - In every case of collision between two vessels it shall be the duty of the master or person in charge of each vessel, if and so far as he can do so without serious danger to his own vessel, crew, and passengers...
16 페이지 - 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...
16 페이지 - ... points abaft the beam on the starboard side, and of such a character as to be visible...
25 페이지 - 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.
16 페이지 - On the starboard side a green light so constructed as to show an unbroken light over an arc of the horizon of ten points of the compass, so tixcd as to throw the light from right ahead to two points abaft the beam on...
23 페이지 - When both are running free, with the wind on the same side, the vessel which is to windward shall keep out of the way of the vessel which is to leeward. (e) A vessel which has the wind aft shall keep out of the way of the other vessel.
22 페이지 - In fog, mist, falling snow, or heavy rain storms, whether by day or night, the signals described in this Article shall be used as follows, viz : (a) A steam vessel having way upon her shall sound, at intervals of not more than two minutes, a prolonged blast.
18 페이지 - First. Steam vessels of less than forty tons shall carry — (a) In the fore part of the vessel, or on or in front of the funnel, where it can best be seen, and at a height above the gunwale of not less than...