A Guide to the Local Marine Board Examinations of Masters and MatesSimpkin, Marshall&Company, 1872 - 178ÆäÀÌÁö |
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50 ÆäÀÌÁö
... P. M. at ship ; in lat . 44 ¡Æ 43 ¡Ç S. The obs . alt . sun's lower limb 32 ¡Æ 21 ' ; height of eye 18 feet . Time by chronometer 9d 5h 57m 37s , which was fast on mean noon at Greenwich on January 31st , 8m 17s ; gaining daily 2 $ . Index ...
... P. M. at ship ; in lat . 44 ¡Æ 43 ¡Ç S. The obs . alt . sun's lower limb 32 ¡Æ 21 ' ; height of eye 18 feet . Time by chronometer 9d 5h 57m 37s , which was fast on mean noon at Greenwich on January 31st , 8m 17s ; gaining daily 2 $ . Index ...
51 ÆäÀÌÁö
... mean noon at March 16th , and on March 1st was slow 1m 35s . Index error Find the longitude . - 30 " . d . h . m : s . m . s . Time by chrono . Error 9 17 2 59 + 1 50 March 1st slow March 16th slow 1 35 1 50 15 ) 15 ( 1 Daily rate . 15 ...
... mean noon at March 16th , and on March 1st was slow 1m 35s . Index error Find the longitude . - 30 " . d . h . m : s . m . s . Time by chrono . Error 9 17 2 59 + 1 50 March 1st slow March 16th slow 1 35 1 50 15 ) 15 ( 1 Daily rate . 15 ...
52 ÆäÀÌÁö
... mean noon at Greenwich 5m 40s on August 24th , and on July 13th was fast 6m 43s for mean noon at Greenwich . Index error 1 ' 4 " . Required the longitude . - - d . h . m . s . m . s . From Aug. 24th To Oct. 3440 days . Daily rate 1.5 ...
... mean noon at Greenwich 5m 40s on August 24th , and on July 13th was fast 6m 43s for mean noon at Greenwich . Index error 1 ' 4 " . Required the longitude . - - d . h . m . s . m . s . From Aug. 24th To Oct. 3440 days . Daily rate 1.5 ...
53 ÆäÀÌÁö
... P. M. at ship ; in lat . 44 ¡Æ 39 ¡Ç N .; altitude sun's lower limb 26 ¡Æ 37 ' 50 " ; Eye 21 feet . 22d 15h 22m 2s , which was slow for mean noon July 10th , and on April 1st was fast 123 . Required the longitude . d . h . m . S. 8 . Time ...
... P. M. at ship ; in lat . 44 ¡Æ 39 ¡Ç N .; altitude sun's lower limb 26 ¡Æ 37 ' 50 " ; Eye 21 feet . 22d 15h 22m 2s , which was slow for mean noon July 10th , and on April 1st was fast 123 . Required the longitude . d . h . m . S. 8 . Time ...
54 ÆäÀÌÁö
... mean noon at Greenwich 2m 40s on February 5th : losing daily 1.5 . Index error + 1 ' 25 " . Required the longitude . 3. 1874. May 9th , P.M. at ship : in lat . 17 ¡Æ 20 ¡Ç S .: altitude sun's lower limb 33 ¡Æ 56 ¡Ç 30 ¡Ç¡Ç : height of eye 16 ...
... mean noon at Greenwich 2m 40s on February 5th : losing daily 1.5 . Index error + 1 ' 25 " . Required the longitude . 3. 1874. May 9th , P.M. at ship : in lat . 17 ¡Æ 20 ¡Ç S .: altitude sun's lower limb 33 ¡Æ 56 ¡Ç 30 ¡Ç¡Ç : height of eye 16 ...
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altitude Sun's lower apparent ship azimuth and error bearing by compass Certificate chronometer common logarithms corr correct magnetic Cosine Course and Distance Course South Decl Departure Difference of Longitude Divide dunnage error of compass eye 17 feet eye 20 feet fast for mean Fixed greater Green Greenwich date Greenwich mean height of eye Hour angle index error Knots lower limb North magnetic bearing Mate mean noon Mercator's principle miles Multiply noon at Greenwich North of observer P.M. at ship P.M. tide Parallel Sailing point in lat Polar dist Required the Course Required the deviation Required the error Required the latitude Required the longitude Required the true Secant Semidiam ship's head Sine subtract the less sun's bearing Sun's lower limb supposing the variation Table 18 Table 24 Table 33 True alt true altitude True amp true azimuth Variation 1 pt watch 11h zenith distance
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84 ÆäÀÌÁö - ... abaft the beam on the starboard side, and of such a character as to be visible on a dark mght, with a clear atmosphere, at a distance of at least two miles. (c.) On the...
86 ÆäÀÌÁö - A vessel which, is closehauled on the port tack shall keep out of the way of a vessel which is closehauled on the starboard tack. (c) When both are running free, with the wind on different sides, the vessel which has the wind on the port side shall keep out of the way of the other.
84 ÆäÀÌÁö - ... 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.
86 ÆäÀÌÁö - If two ships under steam 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.
86 ÆäÀÌÁö - 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.
84 ÆäÀÌÁö - ... from right ahead to two points abaft the beam on the port side, and of such a character as to be visible at a distance of at least two miles.
86 ÆäÀÌÁö - If two ships under Steam are meeting end on, or nearly end on, so as to involve risk of collision, the helms of both shall be put to port, so that each may pass on the port side, of the other.
85 ÆäÀÌÁö - A vessel under one hundred and fifty feet in length when at anchor shall carry forward, where it can best be seen, but at a height not exceeding twenty feet above the hull, a white light, in a lantern so constructed as to show a clear, uniform, and unbroken light visible all around the horizon at a distance of at least one mile.
110 ÆäÀÌÁö - London, (the act of God, the queen's enemies, fire, and all and every other dangers and accidents of the seas, rivers, and navigation, of whatever nature and kind soever, excepted,) unto order or to assigns, he or they paying freight for the said goods at 51.
85 ÆäÀÌÁö - ... 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. To make the use of these portable lights more certain and easy...