Newton's Guide to the Board of trade examinations of masters and mates of sailing ships and steam ships, in navigation and nautical astronomy |
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Página 4
How is it applied ? clamp it , and leave it . minutes to be added , Note . - The Examiner will see that it is correct . II . The Examiner will then place the zero of 4 Adjustments of the Sextant.
How is it applied ? clamp it , and leave it . minutes to be added , Note . - The Examiner will see that it is correct . II . The Examiner will then place the zero of 4 Adjustments of the Sextant.
Página 45
The product ( brought into minutes if necessary ) gives the accumulated rate , which is applied to the time by chronometer as before stated . TO FIND THE TRUE ALTITUDE . - Proceed exactly as in finding the true alt . in the Latitude by ...
The product ( brought into minutes if necessary ) gives the accumulated rate , which is applied to the time by chronometer as before stated . TO FIND THE TRUE ALTITUDE . - Proceed exactly as in finding the true alt . in the Latitude by ...
Página 69
Correct Magnetic Bearings N 16 ° W. S 43 ° W. The deviation to be applied to these two bearings is the deviation for the direction of the ship's head at the time when those bearings were taken , therefore proceed to get the deviation ...
Correct Magnetic Bearings N 16 ° W. S 43 ° W. The deviation to be applied to these two bearings is the deviation for the direction of the ship's head at the time when those bearings were taken , therefore proceed to get the deviation ...
Página 95
V. 1884 , March 29th at 2 " 8m A.M. , being off St. Ives , took a cast of the lead , required the correction to be applied to the depth by lead before comparing with soundings on Chart . Directions . From the Admiralty Tide Tables for ...
V. 1884 , March 29th at 2 " 8m A.M. , being off St. Ives , took a cast of the lead , required the correction to be applied to the depth by lead before comparing with soundings on Chart . Directions . From the Admiralty Tide Tables for ...
Página 99
On August 18th , 1884 , at 5h P.M. , being off Queens- town , took a cast of the lead , required the correc- tion to be applied before comparing with soundings . PAPER D ( FOR TRUE CHART ) . 1. Find the compass course and distance from ...
On August 18th , 1884 , at 5h P.M. , being off Queens- town , took a cast of the lead , required the correc- tion to be applied before comparing with soundings . PAPER D ( FOR TRUE CHART ) . 1. Find the compass course and distance from ...
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Términos y frases comunes
ADDITIONAL FOR MASTER ANSWERS apparent applied Bearing of distant bore by compass centre Chart Chronometer showed Comp Compass bearings Compass courses correct magnetic bearing correct magnetic courses course to steer current set Declination Dist distance distant object dividers East error EXAMPLE eye 19 feet eye 20 feet feet Find the course Find the ship's following courses given Greenwich height of eye July lead line of position Long Longitude MATE Mean miles per hour North object by Standard observed altitude observed meridian altitude parallel pass port question required the deviation Required the Latitude Required the true result ship ship's head Ship's Head Bearing ship's position slow Standard Compass Standard object subtract Sumner's Method sun's bearing sun's lower limb supposing the variation tide true azimuth West Winds ΙΟ
Pasajes populares
Página 76 - In the following table give the correct magnetic bearing of the distant object, and thence the deviation. 8. With the deviation as above, give the courses you would steer by the Standard Compass to make the following courses, correct magnetic : — . . 9.
Página 7 - Having determined the deviation with the ship's head on the various points of the compass, how do you know when it is easterly and when westerly ? 4.
Página 146 - Compass to make the following courses, correct magnetic. 9. Supposing you have steered the following courses by the Standard Compass, find the correct magnetic courses made from the above deviation table.
Página 138 - Ship's Head by Standard Compass. Bearing of distant object by Standard Compass. Deviation required. Ship's Head by Standard Compass.
Página 8 - Compasses of iron ships are more or less affected by what is termed the heeling error ; on what courses does this error vanish, and on what courses is it the greatest ? 16. State to which side of the ship, in the majority of cases, is the North point of the Compass drawn in the Northern hemisphere ; and what effect has it on the assumed position of the ship when she is steering on Northerly, and also on Southerly courses ? . •. . . 17. The effect being as you state, on what courses would...
Página 13 - ... are the usual indications of a ship being on the line of progression of the centre of a Cyclone ? 5. What are the usual indications that a ship is (a) approaching the centre of a Cyclone ; fb) receding from it?
Página 8 - Q. 15. The compasses of iron ships are more or less affected by what is termed the heeling error. On what courses does this error vanish, and on what courses is it the greatest ? A.
Página 9 - Northerly, and also on Southerly courses ? 17. The effect being as you state, on what courses would you keep away, and. on what courses would you keep closer to the wind, in order to make good a given Compass course ? 18.
Página 147 - Tenby, by reckoning took a cast of the lead. Required the correction to be applied to the depth obtained by the lead line before comparing it with the depth marked on the Chart.
Página 13 - And suppose that the wind during the passage of the same cyclone were found to change toward the* , what would be the ship's position with reference to the line of progression of the centre of the cyclone, and what action would you take ? 8.
Información bibliográfica
| Título | Newton's Guide to the Board of trade examinations of masters and mates of sailing ships and steam ships, in navigation and nautical astronomy |
| Autor | John Newton |
| Edición | 7 |
| Editor | J. Newton, 1884 |
| Procedencia del original | Universidad de Oxford |
| Digitalizado | 14 Jun. 2007 |
| Largo | 176 páginas |
| Exportar cita | BiBTeX EndNote RefMan |