The sailor's sea-book1879 |
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Страница viii
... indicate application to Apparent Time . APPARENT NOON . Page I. MEAN NOON . Page II . DATE . SUN'S DECLINATION . Var . in Var . SUN'S DECLINATION . Sun's Semid . EQUATION OF TIME . in 1 hour . 1 hour . 1882 . " " O " m . s . 8 . Jan. 19 ...
... indicate application to Apparent Time . APPARENT NOON . Page I. MEAN NOON . Page II . DATE . SUN'S DECLINATION . Var . in Var . SUN'S DECLINATION . Sun's Semid . EQUATION OF TIME . in 1 hour . 1 hour . 1882 . " " O " m . s . 8 . Jan. 19 ...
Страница 8
... indicated is divided into 8 equi - angular spaces by lines radiating from the centre of the card , and since a quadrant contains 90 ° , each of these spaces represents an eighth of 90 ° , that is , 1110. Thus , the entire circle ( of 4 ...
... indicated is divided into 8 equi - angular spaces by lines radiating from the centre of the card , and since a quadrant contains 90 ° , each of these spaces represents an eighth of 90 ° , that is , 1110. Thus , the entire circle ( of 4 ...
Страница 10
... indicating two points are united , the point meant is half - way between the two ; thus , N.E. is half - way between N. and E .; S.S.W. half - way between S. and S.W. 2. When the letters are joined by the word by , or the letter b , the ...
... indicating two points are united , the point meant is half - way between the two ; thus , N.E. is half - way between N. and E .; S.S.W. half - way between S. and S.W. 2. When the letters are joined by the word by , or the letter b , the ...
Страница 12
... change in our waters amounts to 8 ' . In London and off the Isle of Wight , where the variation is 1910 W. , the true North is indicated by the 13 compass direction which we call N. by E. E. 12 RUDIMENTARY NAVIGATION .
... change in our waters amounts to 8 ' . In London and off the Isle of Wight , where the variation is 1910 W. , the true North is indicated by the 13 compass direction which we call N. by E. E. 12 RUDIMENTARY NAVIGATION .
Страница 19
... indicated by a fleur - de - lis , or other device ; in the true compass the N. and S. line coincides with the meridian . To find the course by the chart between any two places , A and B : lay the edge of the parallel rules over the two ...
... indicated by a fleur - de - lis , or other device ; in the true compass the N. and S. line coincides with the meridian . To find the course by the chart between any two places , A and B : lay the edge of the parallel rules over the two ...
Чести термини и фразе
altitude anchor angle apply bearing boat centre chart chro chronometer Circle Sailing cloth boards Colonel Sir William compass course correct magnetic course and distance Dead Reckoning deck Deviation Diff direction Dist Distance Signals East easterly Edition Engineers equator Flags gale give Greenwich mean hauled HENRY LAW hoist horizon Hour-angle hurricane iron latitude leeway light Long LUDGATE HILL mast meridian meridian altitude miles minutes Naut Nautical Almanac Navigation noon North northern hemisphere numerous Illustrations observed parallel parallel ruler Parallel Sailing Pennant pieces of timber Plates port practical protractor quadrant RALPH TATE rigging rope Rudimentary Treatise rule SCOTT BURN semicircle sextant Ship Date ship's head ship's place side Sir William Reid South southern Steam Ships steered storm subtract sun's lower limb tion track Traverse Table true course tude variation vessel West whirlwind William Reid wind Woodcuts yard
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