A Guide to the Local Marine Board Examinations of Masters and MatesSimpkin, Marshall&Company, 1872 - 178페이지 |
도서 본문에서
11개의 결과 중 1 - 5개
62 페이지
... Natural Sine of the true altitude from Table 26 , using five figures only of the Natural Sine . The sum will be the Natural Cosine , Table 26 , of the Meridian Zenith distance , the degrees at the bottom , and the minutes at the right ...
... Natural Sine of the true altitude from Table 26 , using five figures only of the Natural Sine . The sum will be the Natural Cosine , Table 26 , of the Meridian Zenith distance , the degrees at the bottom , and the minutes at the right ...
63 페이지
... Natural Cosine 66237 Mer . zen . dist . 48 ° 31 ' N. 40 55 0 ... Decl . corr ....... 18 23 S. Latitude ....... 30 8 N. 1. 1874. March 5th , P.M. at ship : lat . by account 53 ° N .: long . 38 ° W. The observed altitude sun's lower limb ...
... Natural Cosine 66237 Mer . zen . dist . 48 ° 31 ' N. 40 55 0 ... Decl . corr ....... 18 23 S. Latitude ....... 30 8 N. 1. 1874. March 5th , P.M. at ship : lat . by account 53 ° N .: long . 38 ° W. The observed altitude sun's lower limb ...
63 페이지
... Natural number 23 ° 40 ′ 7 52 Table 25 Cosine ... 9.96185 Cosine .. 9.99589 دو 194 Table 24 log ... 2.28837 - 14 True alt . 73 ° 49 ′ Nat . Sine 96038 Table 26 73 33 1 Natural Cosine 96232 Table 26 M. Z. D. 15 ° 47 Semidiam . + 15 59 ...
... Natural number 23 ° 40 ′ 7 52 Table 25 Cosine ... 9.96185 Cosine .. 9.99589 دو 194 Table 24 log ... 2.28837 - 14 True alt . 73 ° 49 ′ Nat . Sine 96038 Table 26 73 33 1 Natural Cosine 96232 Table 26 M. Z. D. 15 ° 47 Semidiam . + 15 59 ...
63 페이지
... Natural No. True alt . Nat . sine 44724 16 46 Cosine 9.98113 ... 82 Table 24 Log . .1.91292 Semidiam . 26 18 11 + 15 48 Natural Cosine ... 44806 Mer . zen . dist . 63 ° 23 ′ S. Decl . corr . 16 46 N. True alt . 26 33 59 Latitude 46 37 S ...
... Natural No. True alt . Nat . sine 44724 16 46 Cosine 9.98113 ... 82 Table 24 Log . .1.91292 Semidiam . 26 18 11 + 15 48 Natural Cosine ... 44806 Mer . zen . dist . 63 ° 23 ′ S. Decl . corr . 16 46 N. True alt . 26 33 59 Latitude 46 37 S ...
63 페이지
... Natural Sine of the true altitude from Table 26 , using five figures only of the Natural Sine . The sum will be the Natural Cosine , Table 26 , of the Meridian Zenith distance , the degrees at the bottom , and the minutes at the right ...
... Natural Sine of the true altitude from Table 26 , using five figures only of the Natural Sine . The sum will be the Natural Cosine , Table 26 , of the Meridian Zenith distance , the degrees at the bottom , and the minutes at the right ...
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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...