A Guide to the Local Marine Board Examinations of Masters and MatesSimpkin, Marshall&Company, 1872 - 178페이지 |
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28 페이지
... secant of. ( 3. ) Hrs . Courses . Knots . 10ths . Winds . Lee- Devia- way . tion . N.N.E. E. 1234 Remarks . lat . 19 ° 40 ' S. long . 63 ° 20 ' E. bearing by compass S. W. S. Deviation E. distant 5 miles . 5 N. by E. E. by N. E. 6 7 8 9 ...
... secant of. ( 3. ) Hrs . Courses . Knots . 10ths . Winds . Lee- Devia- way . tion . N.N.E. E. 1234 Remarks . lat . 19 ° 40 ' S. long . 63 ° 20 ' E. bearing by compass S. W. S. Deviation E. distant 5 miles . 5 N. by E. E. by N. E. 6 7 8 9 ...
29 페이지
... Secant lat . Log . dep . } add . In Latitude 12 ° 10 ′ the Departure made good was 126 miles . Find the Difference of Longitude by Parallel Sailing . Latitude 12 ° 10 ' secant ( -10 ) , Table 25 , .0.009866 Departure 126 log . , Table ...
... Secant lat . Log . dep . } add . In Latitude 12 ° 10 ′ the Departure made good was 126 miles . Find the Difference of Longitude by Parallel Sailing . Latitude 12 ° 10 ' secant ( -10 ) , Table 25 , .0.009866 Departure 126 log . , Table ...
32 페이지
... Secant Course , Table 25 , add log . diff . lat . Table 24 ; subtract 10 from the index , and the number corresponding to the sum of the two logs . is the Distance . To find Course . Log . Diff . long . Log . Mer . diff . lat . Course ...
... Secant Course , Table 25 , add log . diff . lat . Table 24 ; subtract 10 from the index , and the number corresponding to the sum of the two logs . is the Distance . To find Course . Log . Diff . long . Log . Mer . diff . lat . Course ...
33 페이지
... Secant Course 21 ° 43 ′ — 10 , Table 25 0.031973 add . Diff . lat . 364 , log . Table 24 2.561101 Distance 391.8 miles , ... log . 2.593074 Course N. 21 ° 43 ′ E. Distance 391.8 miles . MERCATOR'S SAILING . TO FIND THE DIFFERENCE OF ...
... Secant Course 21 ° 43 ′ — 10 , Table 25 0.031973 add . Diff . lat . 364 , log . Table 24 2.561101 Distance 391.8 miles , ... log . 2.593074 Course N. 21 ° 43 ′ E. Distance 391.8 miles . MERCATOR'S SAILING . TO FIND THE DIFFERENCE OF ...
34 페이지
... Secant Course , Table 25 , add log . diff . lat . Table 24 ; subtract 10 from the index , and the number corresponding to the sum of the two logs . is the Distance . To find Course . Log . Diff . long . Log . Mer . diff . lat . Course ...
... Secant Course , Table 25 , add log . diff . lat . Table 24 ; subtract 10 from the index , and the number corresponding to the sum of the two logs . is the Distance . To find Course . Log . Diff . long . Log . Mer . diff . lat . Course ...
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자주 나오는 단어 및 구문
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
인기 인용구
84 페이지 - ... 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 페이지 - 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 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.
86 페이지 - 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 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.
84 페이지 - ... 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 페이지 - 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 페이지 - 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 페이지 - 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 페이지 - ... 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...