A guide book to the Local marine board examination. The ordinary examination. [With] The requisite elements from the Nautical almanac for 1865, for the exercises in Ainsley's Guide book. [With] The requisite elements from the Nautical almanac for 1887 |
Kirjan sisältä
Tulokset 1 - 5 kokonaismäärästä 90
Sivu 17
... Subtraction ; Multiplication ; Division ; * 2. Take any whole numbers , as 18 , 813 , 6489 ; the first consists of two , the second of three , and the third of four figures or digits . Again , in the mixed number 739.815 , the whole ...
... Subtraction ; Multiplication ; Division ; * 2. Take any whole numbers , as 18 , 813 , 6489 ; the first consists of two , the second of three , and the third of four figures or digits . Again , in the mixed number 739.815 , the whole ...
Sivu 21
... subtraction of negative indices , the following rule is frequently used . RULE III . Add 1 to the number of cyphers between the decimal point and the first significant I figure , and subtract from 10 ; the remainder is the index ...
... subtraction of negative indices , the following rule is frequently used . RULE III . Add 1 to the number of cyphers between the decimal point and the first significant I figure , and subtract from 10 ; the remainder is the index ...
Sivu 22
... subtracted from the characteristic for every place the decimal point is removed to the left , that is , divided by 10 . The logarithm of that of 745800 being 5.872622 74580 is 4.872622 99 7458 99 3.872622 745.8 " 2.872622 99 74'58 ...
... subtracted from the characteristic for every place the decimal point is removed to the left , that is , divided by 10 . The logarithm of that of 745800 being 5.872622 74580 is 4.872622 99 7458 99 3.872622 745.8 " 2.872622 99 74'58 ...
Sivu 28
... subtract the number thus found from 10 ; the remainder is the number of cyphers to be prefixed to the figures taken out of the Tables . Place the dot before the first cypher . 24. To find the natural number corresponding to any given ...
... subtract the number thus found from 10 ; the remainder is the number of cyphers to be prefixed to the figures taken out of the Tables . Place the dot before the first cypher . 24. To find the natural number corresponding to any given ...
Sivu 29
... subtract that taken out of the Tables , divide the remainder ( annexing as many cyphers as there are digits required above four ) by the tabular difference , and reduce the quotient to the form of a decimal . No. Log . I. 2'931214 No ...
... subtract that taken out of the Tables , divide the remainder ( annexing as many cyphers as there are digits required above four ) by the tabular difference , and reduce the quotient to the form of a decimal . No. Log . I. 2'931214 No ...
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A Guide Book to the Local Marine Board Examination. the Ordinary Examination ... Thomas Liddell Ainsley Esikatselu ei käytettävissä - 2015 |
Yleiset termit ja lausekkeet
A.M. at ship altitude sun's L.L. angle bearing by compass Bearing of Distant central line centre chart chronometer showed common logarithms compass course correct magnetic bearing correct magnetic course course and distance course to steer curve decl declination departure diff difference of latitude difference of longitude dist Distant Object East equator error of compass feet find the course Greenwich date Greenwich mean height of eye high water hour index correction index error logarithms longitude by chronometer mean noon meridian meridian altitude miles Nautical Almanac noon at Greenwich NORIE North Object by Standard observed altitude sun's parallel Parallel Sailing Plane Sailing pole quadrant Raper required the latitude right ascension Rule sailing sextant ship's head ship's position sine South Standard Compass Standard Port storm subtract Table tide Tide Tables true alt True altitude true azimuth true bearing true course West wind
Suositut otteet
Sivu 1 - ... unless at least one officer besides the master has obtained and possesses a valid certificate appropriate to the grade of only mate therein or to a higher grade ; and...
Sivu 18 - The LOGARITHM of a number to a given base is the index of the power to which the base must be raised to give the number.
Sivu 375 - 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.
Sivu 4 - Whoever makes any statement, knowing it to be false, for the purpose of obtaining for himself or for any other person, firm, corporation, or association any advance...
Sivu 8 - ... the sun ; to work the latitude by single altitude of the sun off the meridian ; and be able to use and adjust the sextant by the sun. In Seamanship.
Sivu 7 - A MASTER must be twenty-one years of age, and have been six years at sea, of which one year must have been as First or Only Mate...
Sivu 9 - He will be examined as to his competency to construct jury rudders and rafts ; and as to his resources for the preservation of the ship's crew in the event of wreck. He must possess a...
Sivu 60 - A sphere is a solid, bounded by one continued convex surface, every point of which is equally distant from a point within, called the centre. The sphere may be conceived to be formed by the revolution of a semicircle about its diameter, which remains fixed.
Sivu 8 - He must be able to work a day's work complete, correcting the courses for deviation, leeway, and variation. He will be required to find the latitude by meridian altitude of the sun, and the difference of longitude from a given departure by parallel sailing ; also to find the course and distance from one position to another by Mercator's method. He will be required to find the time of high water at a given port, to observe and calculate the amplitude of the sun, and to find the error of the ship's...
Sivu 2 - Consul of the country to which the ship in which the candidate served belonged, or by some other recognised official authority of that country, or by the testimony of some credible person on the spot having personal knowledge of the facts required to be established. Upon application to the...