## Pugsley's Dead Reckoning, Including the Various Methods of Finding Course and Distance by Mercator and Middle Latitude Sailings: And Examination Specialty |

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12 ÆäÀÌÁö

DIVISION • To divide one number by another , select the logarithms from Table

42 and when properly indexed , subtract the logarithm of the divisor from that of

the dividend , adding 10 to the index of the logarithm of the dividend if

to ...

DIVISION • To divide one number by another , select the logarithms from Table

42 and when properly indexed , subtract the logarithm of the divisor from that of

the dividend , adding 10 to the index of the logarithm of the dividend if

**necessary**to ...

24 ÆäÀÌÁö

In this work it is not customary and seldom

more than one decimal . For that reason they would read 40 . 9 and 24 . 6 , the

last figures being more than 5 are taken in . Suppose the difference of latitude

and ...

In this work it is not customary and seldom

**necessary**to have these numbers tomore than one decimal . For that reason they would read 40 . 9 and 24 . 6 , the

last figures being more than 5 are taken in . Suppose the difference of latitude

and ...

40 ÆäÀÌÁö

...

examination , as plain sailing , in which the degrees of latitude and longitude are

supposed to be equal , will give a result practically the same . MIDDLE

LATITUDE ...

...

**necessary**to use middle latitude sailing unless requested to do so at anexamination , as plain sailing , in which the degrees of latitude and longitude are

supposed to be equal , will give a result practically the same . MIDDLE

LATITUDE ...

41 ÆäÀÌÁö

MIDDLE LATITUDE SAILING BY LOGARITHMS For ordinary purposes the

course and distance found by inspection is quite satisfactory ; but when the

distance between the two points is too great or an exact result is wanted , it is

MIDDLE LATITUDE SAILING BY LOGARITHMS For ordinary purposes the

course and distance found by inspection is quite satisfactory ; but when the

distance between the two points is too great or an exact result is wanted , it is

**necessary**to ... 52 ÆäÀÌÁö

When the places under consideration lie so near the equator , it is not

to use middle latitude sailing unless requested to do so at an examination , as

plain sailing , in which the degrees of latitude and longitude are supposed to be ...

When the places under consideration lie so near the equator , it is not

**necessary**to use middle latitude sailing unless requested to do so at an examination , as

plain sailing , in which the degrees of latitude and longitude are supposed to be ...

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add the logarithm adding applicant bearing boats Cape Cape Horn carry coastwise steam vessels column compass course convert course and distance decimal departure deviation difference of latitude difference of longitude direction Dist divide east Enter Table examination EXAMPLE NUMBER experience feet Find the course Find the difference fishing gives the logarithm glass grade gross tons half indicating inspection inspectors keep latitude and longitude latitude column leeway less license Long master mate mate of ocean meridional difference Middle lat miles and name navigation necessary noon officer person pilot point in latitude point left port position practice Prop proper difference Pugsley's renewal result rules sail vessels Service ship ship has sailed ship's side signals storm subtracted tack taken tang third tion track white light wind

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137 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...

149 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.

150 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.

151 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...

146 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.

152 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.

147 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.

152 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.

140 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.

151 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.