Navigation ; Ocean Meteorology ; Rules of the Road ; Nautical TablesInternational Textbook Company, 1902 |
도서 본문에서
25개의 결과 중 1 - 5개
15 페이지
... needle and its directing power , or for its application as an aid to travelers on land and water , we do not know . It is generally believed , however , that the com- pass was known in China about 2,630 years before the Christian era ...
... needle and its directing power , or for its application as an aid to travelers on land and water , we do not know . It is generally believed , however , that the com- pass was known in China about 2,630 years before the Christian era ...
16 페이지
... description , therefore , may be brief . It consists of one or several magnetic needles attached to the underside of a circular card of some semitransparent substance , such as mica . This card a b , Fig . 16 $ 7 NAVIGATION.
... description , therefore , may be brief . It consists of one or several magnetic needles attached to the underside of a circular card of some semitransparent substance , such as mica . This card a b , Fig . 16 $ 7 NAVIGATION.
21 페이지
... needle , there are not less than eight strips of magnetized steel fastened to the silk threads , as shown in the figure . The paper rim bearing the points is divided at intervals so that the contractions and expansions due to change of ...
... needle , there are not less than eight strips of magnetized steel fastened to the silk threads , as shown in the figure . The paper rim bearing the points is divided at intervals so that the contractions and expansions due to change of ...
22 페이지
... needle or needles should be parallel to the north and south line of the card . 4. The compass should be comparatively steady when subjected to the rolling and pitching motions of the ship and sensitive when at rest or when the ship is ...
... needle or needles should be parallel to the north and south line of the card . 4. The compass should be comparatively steady when subjected to the rolling and pitching motions of the ship and sensitive when at rest or when the ship is ...
30 페이지
... needles , are brought close together , two poles attract and two poles repel each other . Thus , the north - seeking end of a magnetic needle will repel the north - seeking end of another needle while it will attract the south - seeking ...
... needles , are brought close together , two poles attract and two poles repel each other . Thus , the north - seeking end of a magnetic needle will repel the north - seeking end of another needle while it will attract the south - seeking ...
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자주 나오는 단어 및 구문
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
인기 인용구
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...