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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A.M. at ship added ADDITIONAL altitude sun's L.L. anchor apparent azimuth bearing called carry chronometer column compass compass course corresponding course daily decimal decl declination departure deviation diff difference difference of latitude difference of longitude direction dist distance Divide East equator error EXAMINATION EXAMPLES fathoms feet figures fixed give given Green Greenwich date half haul head height of eye high water hundred index correction January July June latitude less light logarithms longitude lower magnetic March marked master Mate mean meridian Method miles minutes Multiply noon North observed altitude sun's pass points port result round Rule sail seconds ship showed side Signal sine South subtract sun's Table taken tide true True altitude variation vessel West wind yard
Página 299 - 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.
Página 305 - 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.
Página 298 - On the starboard side a green light so constructed as to show an unbroken light over an arc of the horizon of...
Página 298 - 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...
Página 310 - 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.
Página 305 - 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...
Página 299 - 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.
Página 332 - 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.