Pugsley's Dead Reckoning, Including the Various Methods of Finding Course and Distance by Mercator and Middle Latitude Sailings: And Examination SpecialtyR.M. Pugsley, 1916 - 176ÆäÀÌÁö |
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10 ÆäÀÌÁö
... column and the fourth figure at either the top or bottom and the proper logarithm will be found at the inter- section . When using this table , bear in mind that the num- bers 1 , 2 , 3 , 4 , 5 , etc. , at the top and bottom of the ...
... column and the fourth figure at either the top or bottom and the proper logarithm will be found at the inter- section . When using this table , bear in mind that the num- bers 1 , 2 , 3 , 4 , 5 , etc. , at the top and bottom of the ...
12 ÆäÀÌÁö
... column on the same side . If the degrees are found at the top , the various names must also be read from there and when the degrees are at the bottom of the page the names over the columns must be read from the bottom . If the logarithm ...
... column on the same side . If the degrees are found at the top , the various names must also be read from there and when the degrees are at the bottom of the page the names over the columns must be read from the bottom . If the logarithm ...
13 ÆäÀÌÁö
... column . The correction will be found opposite in the column of differences next to that from which the loragithm is taken and is added or subtracted , accord- ing to the next logarithm being more or less . Up to and including 4 ¡Æ and ...
... column . The correction will be found opposite in the column of differences next to that from which the loragithm is taken and is added or subtracted , accord- ing to the next logarithm being more or less . Up to and including 4 ¡Æ and ...
15 ÆäÀÌÁö
... of latitude is the quantity taken for each cor- rected course and distance from the latitude column in Tables I or 2 , taking care to use the top or bottom according to the course . They are entered in the traverse table 15.
... of latitude is the quantity taken for each cor- rected course and distance from the latitude column in Tables I or 2 , taking care to use the top or bottom according to the course . They are entered in the traverse table 15.
16 ÆäÀÌÁö
... column for north courses and in the south column for south courses . It is also the north or south distance between any two points on the earth's surface . Departure is the quantity taken for each corrected course and distance from ...
... column for north courses and in the south column for south courses . It is also the north or south distance between any two points on the earth's surface . Departure is the quantity taken for each corrected course and distance from ...
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¨ö pt add the logarithm Barnegat light Cape Horn chief mate coastwise steam vessels compass course corresponding number course and distance COURSE NUMBER DEAD RECKONING deck department difference of latitude difference of longitude Dist distance column Enter Table EXAMPLE NUMBER EXPLANATION Find Find the course Find the difference gives the logarithm latitude 35 latitude 55 latitude and departure latitude and longitude latitude and takes latitude by subtracting latitude column logarithm cosine logarithm secant logarithm tangent Long longitude 74 mate of ocean Mercator sailing meridional difference Middle lat middle latitude sailing mile and find miles and name name it south navigation nearest mile ocean or coastwise ocean steam vessels original license pilot point in latitude point left Prop proper difference PUGSLEY'S sail vessels Sandy Hook ship has sailed signals subtract the logarithm subtracting the latitude Table 3 take take the meridional tang third mate traverse table white light
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141 ÆäÀÌÁö - On the starboard side a green light so constructed as to show an unbroken light over an arc of the horizon of ten points of the compass, so fixed as to throw the light from right ahead to two points abaft the beam on...
153 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.
154 ÆäÀÌÁö - Where by any of these rules one of two vessels is to keep out of the way, the other shall keep her course and speed.
155 ÆäÀÌÁö - Every vessel coming up with another vessel from any direction more than two points abaft her beam, that is, in such a position, with reference to the vessel which she is overtaking that at night she would be unable to see either of that vessel's side-lights, shall be deemed to be an overtaking vessel...
150 ÆäÀÌÁö - Every vessel may, if necessary in order to attract attention in addition to the lights which she is by these rules required to carry, show a flare-up light or use any detonating signal that cannot be mistaken for a distress signal.
156 ÆäÀÌÁö - My engines are going at full speed astern." PRECAUTION. ART. 29. Nothing in these rules shall exonerate any vessel, or the owner or master or crew thereof, from the consequences of any neglect to carry lights or signals, or of any neglect to keep a proper lookout, or of the neglect of any precaution which may be required by the ordinary practice of seamen, or by the special circumstances of the case.
151 ÆäÀÌÁö - sailing vessels" and "vessels towed" on the fog horn. The words "prolonged blast" used in this article shall mean a blast of from four to six seconds duration.
156 ÆäÀÌÁö - When a vessel is in distress and requires assistance from other vessels or from the shore, the following shall be the signals to be used or displayed by her, either together or separately, viz. : — ' In the daytime — 1. A gun or other explosive signal fired at intervals of about a minute. 2. The International Code signal of distress indicated by NC 3.
144 ÆäÀÌÁö - ... mile, or a combined lantern showing a green light and a red light from right ahead to 2 points abaft the beam on their respective sides. Such lantern shall be carried not less than 3 feet below the white light.
155 ÆäÀÌÁö - Every vessel which is directed by these rules to keep out of the way of another vessel shall, if the circumstances of the case admit, avoid crossing ahead of the other.