Mrs. Janet Taylor's Hand-book [&c.].1865 |
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Página viii
... the Ports named in the Quesfions 163 V. Logarithms to find the correction to reduce the Sun's Declination , & c . to any time under the meridian of Greenwich 164 OF EXAMINATIONS OF MASTERS AND MATES OF Foreign - going CONTENTS .
... the Ports named in the Quesfions 163 V. Logarithms to find the correction to reduce the Sun's Declination , & c . to any time under the meridian of Greenwich 164 OF EXAMINATIONS OF MASTERS AND MATES OF Foreign - going CONTENTS .
Página 20
... Greenwich is , by English Geographers called the first meridian , and all tables in the Nautical Almanac , and other English Astronomical tables , are adapted to that meridian . Each country may however reckon that meridian which passes ...
... Greenwich is , by English Geographers called the first meridian , and all tables in the Nautical Almanac , and other English Astronomical tables , are adapted to that meridian . Each country may however reckon that meridian which passes ...
Página 36
... Greenwich date . By way of illustration , let us suppose an observation to be taken at sea , on January 15th , at 8h 30m A.м. ( civil time ) in longitude 124 ° W .; the Greenwich date is obtained as follows : - Jan. 15th at 8h 30m A.M. ...
... Greenwich date . By way of illustration , let us suppose an observation to be taken at sea , on January 15th , at 8h 30m A.м. ( civil time ) in longitude 124 ° W .; the Greenwich date is obtained as follows : - Jan. 15th at 8h 30m A.M. ...
Página 37
... Greenwich date ......... - 5 40 March 3 15 24 In the case of an observation made January 15th at 4h 5m P.M. at ship ... Greenwich date ......... Jan. 15 12 5 And lastly , were the observation taken June 9th at 2h 50m P.M. in long . 104 ...
... Greenwich date ......... - 5 40 March 3 15 24 In the case of an observation made January 15th at 4h 5m P.M. at ship ... Greenwich date ......... Jan. 15 12 5 And lastly , were the observation taken June 9th at 2h 50m P.M. in long . 104 ...
Página 43
... Greenwich From page I , in the Nautical Almanack , or Table 1 , take the sun's declination , and reduce it to the Greenwich date . Table 5 . Then correct the observed altitude for index error , ( if any , ) dip , refraction , parallax ...
... Greenwich From page I , in the Nautical Almanack , or Table 1 , take the sun's declination , and reduce it to the Greenwich date . Table 5 . Then correct the observed altitude for index error , ( if any , ) dip , refraction , parallax ...
Términos y frases comunes
according Additional allowed altitude Answers apparent apply assumed azimuth bearing boiler Book called cargo carry centre Certificate chronometer circle clear compass continued correct course cross cyclone damage dangerous declination departure determine diff difference direction dist distance Divide east engines equal equator Examination feet fixed freight give given greater Greenwich half hand head High Water hour hurricane index error keep latitude less Light logarithms longitude March Marine master Mate mean meridian method miles minutes Nautical Navigation necessary noon northern observed observed altitude Ordinary parallel pass port Questions reckoned Remarks required the latitude rule sailing ship ship's side star starboard steam storm sun's Table tack taken tide Trade true valves variation vessel voyage weather wind
Pasajes populares
Página 74 - Nothing in these rules shall exonerate any ship, 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 look.out, 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.
Página 72 - 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.
Página 99 - 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.
Página 73 - ... involve risk of collision, the steam ship shall keep out of the way of the sailing ship. Art. 16. Every steam ship, when approaching another ship so as to involve risk of collision, shall slacken her speed, or, if necessary, stop and reverse ; and every steam ship shall, when in a fog go at a moderate speed.
Página 76 - ... unless it is shown to the satisfaction of the Court that the circumstances of the case made a departure from the Regulations necessary.
Página 72 - 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.
Página 71 - Steamships, when towing other ships, shall carry two bright white masthead lights, vertically, in addition to their side lights, so as to distinguish them from other steamships.
Página 73 - 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.
Página 16 - The index of the logarithm of a number greater than unity, is one less than the number of digits in the integral part...
Página 71 - Ships, whether steam ships or sailing ships, when at anchor in roadsteads or fairways, shall, between sunrise and sunset, exhibit where it can best be seen, but at a height not exceeding 20 feet above the hull, a white light in a globular lantern of eight inches in diameter, and so constructed as to show a clear, uniform, and unbroken light visible all round the horizon, and at a distance of at least one mile.