A Guide to the Local Marine Board Examinations of Masters and MatesSimpkin, Marshall&Company, 1872 - 178 sivua |
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Tulokset 1 - 5 kokonaismäärästä 48
Sivu 19
... Table 24 , by seeking the number in the column marked No. , and taking the figures abreast in the column marked Log . If the number consist of three figures . in the left - hand column of Table 24 , Seek the three figures and take the ...
... Table 24 , by seeking the number in the column marked No. , and taking the figures abreast in the column marked Log . If the number consist of three figures . in the left - hand column of Table 24 , Seek the three figures and take the ...
Sivu 20
... Table 24 , and add them together ; the number corresponding to the sum of the logs . will be the product required . 1. Multiply 24 by 4 by common logarithms . Mult . 24 by 24 Table 24 log . 1.380211 log . 0.602060 } add . 1.982271 ...
... Table 24 , and add them together ; the number corresponding to the sum of the logs . will be the product required . 1. Multiply 24 by 4 by common logarithms . Mult . 24 by 24 Table 24 log . 1.380211 log . 0.602060 } add . 1.982271 ...
Sivu 21
... Table 24 , and subtract the log . of the second number from the log . of the first number , that is , the log . of the divisor from that of the divi- dend ; the number corresponding to the remaining log . will be the quotient required ...
... Table 24 , and subtract the log . of the second number from the log . of the first number , that is , the log . of the divisor from that of the divi- dend ; the number corresponding to the remaining log . will be the quotient required ...
Sivu 22
... Table 24 log . 2.666518 log . 1.602060 Answer 11.6 .. ........... log . 1.064458 2. Divide 786543 by 9.86 by logs . Divide 786543 5.895723 .895699 55 by 9.86 0.993877 24 43 Answer 79771.1 4.901846 .895723 165 .901840 220 54 ) 60 ( 11 23 ...
... Table 24 log . 2.666518 log . 1.602060 Answer 11.6 .. ........... log . 1.064458 2. Divide 786543 by 9.86 by logs . Divide 786543 5.895723 .895699 55 by 9.86 0.993877 24 43 Answer 79771.1 4.901846 .895723 165 .901840 220 54 ) 60 ( 11 23 ...
Sivu 24
... Table 2. To do this , open Table 2 , and in one of the columns marked lat . at the top find the larger of diff . lat . and dep .; then , if the figures on the right of this do not correspond with the smaller of diff . lat . and dep ...
... Table 2. To do this , open Table 2 , and in one of the columns marked lat . at the top find the larger of diff . lat . and dep .; then , if the figures on the right of this do not correspond with the smaller of diff . lat . and dep ...
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Yleiset termit ja lausekkeet
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
Suositut otteet
Sivu 84 - ... 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...
Sivu 86 - 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.
Sivu 84 - ... 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.
Sivu 86 - 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.
Sivu 86 - 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.
Sivu 84 - ... 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.
Sivu 86 - 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.
Sivu 85 - 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.
Sivu 110 - 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.
Sivu 85 - ... 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...