The sailor's sea-book1879 |
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Страница x
... give 1 ° 42 ' ; therefore , writing down 42 ' , we carry on t o to be added to the other degrees , which now amount to 77 ° . The other ex- amples are similarly treated . RUDIMENTARY NAVIGATION . ROBERTSON , head - master of the 2 ...
... give 1 ° 42 ' ; therefore , writing down 42 ' , we carry on t o to be added to the other degrees , which now amount to 77 ° . The other ex- amples are similarly treated . RUDIMENTARY NAVIGATION . ROBERTSON , head - master of the 2 ...
Страница 2
... give 1 ° 42 ′ ; therefore , writing down 42 ' , we carry on 1 ° to be added to the other degrees , which now amount to 77 ° . The other ex- amples are similarly treated . We now proceed to subtraction . Ex . From 44 2 RUDIMENTARY ...
... give 1 ° 42 ′ ; therefore , writing down 42 ' , we carry on 1 ° to be added to the other degrees , which now amount to 77 ° . The other ex- amples are similarly treated . We now proceed to subtraction . Ex . From 44 2 RUDIMENTARY ...
Страница 3
... " multiplied by 4 equal 184 " , which , when divided by 60 , equal 3 ' 4 " ; we put down 4 " , and carry 3 ' to the product of 4 times 35 , which gives us 143 ′ ; these equal 2 ° 23 ' ; we put down B 2 THE ARITHMETIC OF NAVIGATION . 3.
... " multiplied by 4 equal 184 " , which , when divided by 60 , equal 3 ' 4 " ; we put down 4 " , and carry 3 ' to the product of 4 times 35 , which gives us 143 ′ ; these equal 2 ° 23 ' ; we put down B 2 THE ARITHMETIC OF NAVIGATION . 3.
Страница 4
... gives 34 ° . But of this we shall have more to say farther on , when we show the relation of space to time . We next take decimals . traction , merely place the As regard addition and sub- decimal points immediately one beneath the ...
... gives 34 ° . But of this we shall have more to say farther on , when we show the relation of space to time . We next take decimals . traction , merely place the As regard addition and sub- decimal points immediately one beneath the ...
Страница 10
... give it up at once and for ever ; but the whole business should be accomplished in about a quarter of an hour . To begin with , when once a quarter of the compass or circle is mastered , the rest is easily accomplished , for the same ...
... give it up at once and for ever ; but the whole business should be accomplished in about a quarter of an hour . To begin with , when once a quarter of the compass or circle is mastered , the rest is easily accomplished , for the same ...
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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