NavigationW. & R. Chambers, 1867 - 458페이지 |
도서 본문에서
82개의 결과 중 1 - 5개
v 페이지
... tables of natural and logarithmic trigonometrical functions . Those , however , who wish shorter methods , and will be satisfied with near approximations , should consult Thomson's Lunar and Horary Tables . Though the demonstrations of ...
... tables of natural and logarithmic trigonometrical functions . Those , however , who wish shorter methods , and will be satisfied with near approximations , should consult Thomson's Lunar and Horary Tables . Though the demonstrations of ...
vi 페이지
... . For further information as to the subjects treated of in the Work , the reader is referred to the Table of Contents . JAMES PRYDE . EDINBURGH , 1867 . CONTENTS . DECIMAL ARITHMETIC ... Promiscuous Exercises in Decimals ... vi Preface .
... . For further information as to the subjects treated of in the Work , the reader is referred to the Table of Contents . JAMES PRYDE . EDINBURGH , 1867 . CONTENTS . DECIMAL ARITHMETIC ... Promiscuous Exercises in Decimals ... vi Preface .
viii 페이지
... Table for correcting Middle Latitude ..... .150 153 Exercises in Middle - latitude and Mercator's Sailing ... ..169 ELEMENTS OF TRIGONOMETRY CONTINUED .174 Exercises in Trigonometry ....... .......... 185 CURRENT SAILING .. Exercises ON ...
... Table for correcting Middle Latitude ..... .150 153 Exercises in Middle - latitude and Mercator's Sailing ... ..169 ELEMENTS OF TRIGONOMETRY CONTINUED .174 Exercises in Trigonometry ....... .......... 185 CURRENT SAILING .. Exercises ON ...
ix 페이지
... Tables - Description ........ 419 N. A. pages I and 2 for October 1866 ... .422 Tables of the Principal Fixed Stars ... .424 Commercial Chapter ........ .426 Glossary of Nautical Terms ..... ... 440 Page . CORRECTIONS AND ADDITIONS . 6 ...
... Tables - Description ........ 419 N. A. pages I and 2 for October 1866 ... .422 Tables of the Principal Fixed Stars ... .424 Commercial Chapter ........ .426 Glossary of Nautical Terms ..... ... 440 Page . CORRECTIONS AND ADDITIONS . 6 ...
24 페이지
... table , multiplication can be performed by addition , and division by subtraction . 54. If a number in the first line be multiplied by 2 , the pro- duct will have under it the square of the number under the figure so multiplied ; also ...
... table , multiplication can be performed by addition , and division by subtraction . 54. If a number in the first line be multiplied by 2 , the pro- duct will have under it the square of the number under the figure so multiplied ; also ...
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anchor apparent altitude barometer called Cape Cape Clear centre chords chronometer column common logarithms corrected cosec course and distance course steered decimal departure dept difference of latitude difference of longitude dist distance sailed divided equation Example extent will reach find the course given GUNTER'S SCALE hence horizon hypotenuse index error latitude and longitude latitude arrived leeway line of numbers logarithms mast middle latitude miles moon's multiplied Nautical Almanac observed altitude October 20 parallax parallel Parallel Sailing perpendicular place of observation plane Plane Sailing points polar distance port tack quantities quotient radius required the course required the latitude required the true right ascension rope secant semidiameter sextant ship from latitude ship sails ship's side slider starboard tack subtract sun's declination tangent true altitude true course true distance variation vessel wind
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395 페이지 - 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.
395 페이지 - In obeying and construing these rules due regard must be had to all dangers of navigation ; and due regard must also be had to any special circumstances which may exist in any particular case rendering a departure from the above rules necessary in order to avoid immediate danger.
394 페이지 - Every steamship, when approaching another ship so as to involve risk of collision, shall slacken her speed, or if necessary stop and reverse ; and every steamship shall, when in a fog, go at a moderate speed.
391 페이지 - ... abaft the beam on the starboard side, and of such a character as to be visible at a distance of at least 2 miles. (c.) On the...
392 페이지 - ... 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 abaft the beam on their respective sides.
392 페이지 - ... so constructed as to show a clear, uniform, and unbroken light visible all around the horizon at a distance of at least one mile.
392 페이지 - 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.
393 페이지 - Sailing pilot vessels shall not carry the lights required for other sailing vessels, but shall carry a white light at the masthead, visible all round the horizon, and shall also exhibit a flareup light every fifteen minutes.
393 페이지 - When two steam vessels are meeting end on, or nearly end on, so as to involve risk of collision, each shall alter her course to starboard so that each may pass on the port side of the other.
393 페이지 - Whenever there is a fog, whether by day or night, the fog signals described below shall be carried and used, and shall be sounded at least every five minutes, viz. : (a...