The sailor's sea-book1879 |
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Страница iii
... Altitude of the Sun , and the Longitude by Chronometer and Sun's Altitude ; together with the Deviation and Error of the Compass . Too much space was formerly given to the method by projection , a mode of working out problems in ...
... Altitude of the Sun , and the Longitude by Chronometer and Sun's Altitude ; together with the Deviation and Error of the Compass . Too much space was formerly given to the method by projection , a mode of working out problems in ...
Страница vi
... Altitude Latitude by Meridian Altitude of Sun 29 99 99 On Finding the Longitude • " " • Examples To correct the Chronometer for rate and error PAGE 60 61 63 63 64 64 65 66 67 • 68 69 • 70 • 73 75 77 78 79 • 80 · 81 • 84 • 888 85 90 • 91 ...
... Altitude Latitude by Meridian Altitude of Sun 29 99 99 On Finding the Longitude • " " • Examples To correct the Chronometer for rate and error PAGE 60 61 63 63 64 64 65 66 67 • 68 69 • 70 • 73 75 77 78 79 • 80 · 81 • 84 • 888 85 90 • 91 ...
Страница 66
... altitude above the horizon . We now set about to find out the amount of this angle , or the sun's altitude ; subtract it from 90 ° , and 66 RUDIMENTARY NAVIGATION .
... altitude above the horizon . We now set about to find out the amount of this angle , or the sun's altitude ; subtract it from 90 ° , and 66 RUDIMENTARY NAVIGATION .
Страница 67
... Altitude . — In the Nautical Almanac the sun's declination at noon is put down , but only for the meridian of Greenwich Observatory ; therefore at any place considerably to the east or west of this meridian , allowance must be made for ...
... Altitude . — In the Nautical Almanac the sun's declination at noon is put down , but only for the meridian of Greenwich Observatory ; therefore at any place considerably to the east or west of this meridian , allowance must be made for ...
Страница 68
... Altitude , or from the sun's altitude at noon . As soon as we have ascertained , by means of the quadrant , the Altitude , we have several modifications to apply to it : it is termed the Observed Altitude , in contradistinction to the True ...
... Altitude , or from the sun's altitude at noon . As soon as we have ascertained , by means of the quadrant , the Altitude , we have several modifications to apply to it : it is termed the Observed Altitude , in contradistinction to the True ...
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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