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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9개의 결과 중 1 - 5개
108 페이지
The contrivance is composed of the log chip , line , reel and glass . The second
hand of a watch may be used in place of the glass . The Log Chip . This part of
the instrument consists of a quadrantal piece of thin board about seven inches ...
The contrivance is composed of the log chip , line , reel and glass . The second
hand of a watch may be used in place of the glass . The Log Chip . This part of
the instrument consists of a quadrantal piece of thin board about seven inches ...
109 페이지
The object of this toggle and socket is to reduce the labor of hauling the chip in ,
as the toggle will pull out as soon as the line is checked , which is done as soon
as the glass runs out . The chip will then lie flat on the water and very little strain ...
The object of this toggle and socket is to reduce the labor of hauling the chip in ,
as the toggle will pull out as soon as the line is checked , which is done as soon
as the glass runs out . The chip will then lie flat on the water and very little strain ...
110 페이지
For a thirty second glass , the length of a knot is fifty feet and eight inches nearly .
The line is measured and marked when wet and tested by frequent measurement
. Put one knot in the first mark , two in the second and so on . For half knots use ...
For a thirty second glass , the length of a knot is fifty feet and eight inches nearly .
The line is measured and marked when wet and tested by frequent measurement
. Put one knot in the first mark , two in the second and so on . For half knots use ...
111 페이지
Fourteen Second Glass . 6080 I 4 2 4 3 2 O 6 0 8 0 • 3600 ) 8 5 1 2 0 ( 2 3 . 6 4 7
2 O O X I 2 1 3 1 2 0 1 2 8 IO 800 64 2 3 2 0 0 7 . 6 8 = 734 inches , nearly . 2 1
600 I 6000 I 4 4 0 0 1600 The length of a knot for a fourteen second glass is 23 .
Fourteen Second Glass . 6080 I 4 2 4 3 2 O 6 0 8 0 • 3600 ) 8 5 1 2 0 ( 2 3 . 6 4 7
2 O O X I 2 1 3 1 2 0 1 2 8 IO 800 64 2 3 2 0 0 7 . 6 8 = 734 inches , nearly . 2 1
600 I 6000 I 4 4 0 0 1600 The length of a knot for a fourteen second glass is 23 .
112 페이지
Thirty Second Glass . 6 080 30 3600 ) 1 8 2 4 0 0 0 5 . 0 . 6 6 1 8000 XI 2 2 4000
1 3 2 2 1 600 66 2 4 0 0 0 7 . 9 2 = 8 inches , nearly . 2 1 600 2 400 The length of
a knot for a thirty second glass is 50 . 66 feet = 50 feet 8 inches nearly This log is
...
Thirty Second Glass . 6 080 30 3600 ) 1 8 2 4 0 0 0 5 . 0 . 6 6 1 8000 XI 2 2 4000
1 3 2 2 1 600 66 2 4 0 0 0 7 . 9 2 = 8 inches , nearly . 2 1 600 2 400 The length of
a knot for a thirty second glass is 50 . 66 feet = 50 feet 8 inches nearly This log is
...
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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 페이지 - 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 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.
150 페이지 - 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 페이지 - 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 페이지 - 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 페이지 - 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 페이지 - 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 페이지 - 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 페이지 - ... 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 페이지 - 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.
도서 문헌정보
| 제목 | Pugsley's Dead Reckoning, Including the Various Methods of Finding Course and Distance by Mercator and Middle Latitude Sailings: And Examination Specialty |
| 저자 | Richard Marriotte Pugsley |
| 발행인 | R.M. Pugsley, 1916 |
| 소장 | 미시간 대학교 |
| 디지털화된 날짜: | 2007년 6월 20일 |
| 길이 | 176페이지 |
| 서지정보 내보내기 | BiBTeX EndNote RefMan |