Revue Hydrographique, Volume 3

Front Cover
International Hydrographic Bureau, 1925
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Page 130 - ... light over an arc of the horizon of 20 points of the compass, so fixed as to throw the light 10...
Page 130 - A steam vessel when under way shall carry — -(a) On or in front of the foremast, or if a vessel without a foremast, then in the fore...
Page 110 - When a vessel is in distress and requires assistance from other vessels or from the shore, the following shall be the signals to be used or displayed by her, either together or separately, viz. : — ' In the daytime — 1. A gun or other explosive signal fired at intervals of about a minute. 2. The International Code signal of distress indicated by NC 3.
Page 130 - ... points from right aft on each side of the vessel, so as to be visible at a distance of at least one mile. Such light shall be carried as nearly as practicable on the same level as the side lights.
Page 110 - The distant signal, consisting of a square flag, having either above or below it a ball or anything resembling a ball.
Page 154 - ... points abaft the beam on either side, and of such a character as to be visible at a distance of at least 5 miles.
Page 31 - our astronomical observer" at a salary of £100 per annum, his duty being "forthwith to apply himself with the most exact care and diligence to the rectifying the tables of the motions of the heavens and the places of the fixed stars, so as to find out the so much desired longitude of places for the perfecting the art of navigation.
Page 110 - AT NIGHT 1. A gun fired at intervals of about a minute. 2. Flames on the vessel (as from a burning tar barrel, oil barrel, etc.). 3. Rockets or shells, bursting in the air with a loud report and throwing stars of any color or description, fired one at a time at short intervals.
Page 154 - ... exceeds 20 feet, then at a height above the hull not less than such breadth, so however that the light need not be placed at a greater height above the hull than 40 feet.
Page 130 - A vessel which is being overtaken by another shall show from her stern to such last-mentioned vessel a white light or a flare-up light. The white light required to be shown by this article may be fixed and carried in a lantern, but in such case the lantern shall be so constructed, fitted, and screened that it shall throw an unbroken light over an arc of the horizon of...

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