A Guide to the Local Marine Board Examinations of Masters and MatesSimpkin, Marshall&Company, 1872 - 178 sivua |
Kirjan sisältä
Tulokset 1 - 5 kokonaismäärästä 33
Sivu 19
... less than the number of figures in the whole number ; thus- The index , The index of 6 is 0 67 is 1 99 29 678 is 2 99 99 99 67.8 is 1 One less than the number of whole numbers . 99 99 99 16.78 is 1 99 99 99 TO FIND THE LOGARITHM OF A ...
... less than the number of figures in the whole number ; thus- The index , The index of 6 is 0 67 is 1 99 29 678 is 2 99 99 99 67.8 is 1 One less than the number of whole numbers . 99 99 99 16.78 is 1 99 99 99 TO FIND THE LOGARITHM OF A ...
Sivu 20
... less to the given log . , this will give the first four figures ; subtract this log . ( taken from the Epitome ) from the given log . , annex as many ciphers , one at the time , to this remainder as there are figures required above four ...
... less to the given log . , this will give the first four figures ; subtract this log . ( taken from the Epitome ) from the given log . , annex as many ciphers , one at the time , to this remainder as there are figures required above four ...
Sivu 23
... less from the greater of the Northing and Southing , marking the remainder , diff . lat . the same name as the greater . Subtract the less from the greater of the Easting and Westing , marking the remainder , dep . the same name as the ...
... less from the greater of the Northing and Southing , marking the remainder , diff . lat . the same name as the greater . Subtract the less from the greater of the Easting and Westing , marking the remainder , dep . the same name as the ...
Sivu 30
... less . TO CORRECT THE DECLINATION . - Write down the sun's declination from page 1 of the month for the Greenwich day and put the declination for the following day under it . Declinations same name , subtract the less from the greater ...
... less . TO CORRECT THE DECLINATION . - Write down the sun's declination from page 1 of the month for the Greenwich day and put the declination for the following day under it . Declinations same name , subtract the less from the greater ...
Sivu 32
... less from the greater . TO FIND THE DIFFERENCE OF LONGITUDE.— Longitudes contrary names add them together . Longitudes same name , subtract the less from the greater . If the longitudes have contrary names , and their sum exceeds 180 ...
... less from the greater . TO FIND THE DIFFERENCE OF LONGITUDE.— Longitudes contrary names add them together . Longitudes same name , subtract the less from the greater . If the longitudes have contrary names , and their sum exceeds 180 ...
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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...