 | Naval art and science - 1880 - 1136 pages
...dark night, with a clear atmosphere, at a distance of at least one mile. "(c.) On the port-side, a red light, so constructed as to show a uniform and unbroken light over an arc of the horizon of 10 points of the compass ; so fixed as to throw the light from right a-head to two... | |
 | Naval art and science - 1876 - 1186 pages
...a character as to be visible on a dark night, with a clear atmosphere, at a distance of at least 5 miles : (6.) On the starboard side, a green light so constructed as to show »n uniform and unbroken light over an arc of the horizon of 10 points of the compass, so fixed as... | |
 | Naval art and science - 1848 - 716 pages
...Head Light to be visible at a distance of at leasts miles in a clear dark night, and the Lantern to be so constructed as to show a uniform and unbroken light over an arc of the horizon of 20 points of the Compass, viz., from right ahead to two points abalt the beam on... | |
 | Naval art and science - 1879 - 1110 pages
...Above London Bridge the white light may be carried at any convenient height above the stem. " (b.) On the starboard side, a green light so constructed as to show an uniform and unbroken light over an arc of the horizon of 10 points of the compass ; so fixed as... | |
 | Commerce - 1848 - 696 pages
...lights to be visible at a distance of at least two miles on a clear dark night, and the lanterns to be so constructed as to show a uniform and unbroken light over an arc of the horizon of ten points of the compass — viz., from right a-head to two points abaft the beam... | |
 | Freeman Hunt, Thomas Prentice Kettell, William Buck Dana - Commerce - 1848 - 726 pages
...light to be visible at a distance of at least five miles in a clear dark night, and the lantern to be so constructed as to show a uniform and unbroken light over an arc of the horizon of twenty points of the compass — viz., from right a-head to two points abaft the... | |
 | 1848 - 700 pages
...lights to be visible at a distance of at least two miles on n clear dark night, and the lanterns to be so constructed as to show a uniform and unbroken light over an arc of the horizon of ten points of the compass — viz., from right a-head to two points abaft the beam... | |
 | John Ramsay M'Culloch - Geography - 1849 - 116 pages
...mast-head light to be visible at a distance of at least 5m. in a clear dark night, and the lantern to be so constructed as to show a uniform and unbroken light over an arc of the hori2on of 20 points of the compass, vi2. from right ahead to 2 points abaft the beam on each... | |
 | 1850 - 1026 pages
...light to be visible at a distance of at least five miles in a clear dark night, and the lantern to be so constructed as to show a uniform and unbroken light over an arc of the horizon of twenty points of the compass : viz. from right ahead to two points abaft the beam... | |
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... points of the compass, so fixed as to throw the light from right ahead to two points abaft the beam on the starboard side, and of such a character as to be visible at a distance of at least two miles. (c) On the... 
