The Encyclopædia Britannica, Or, Dictionary of Arts, Sciences, and General Literature, 16. köideAdam & Charles Black, 1858 |
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Page 12
... amount will be given hereafter . PROB . I. - To find the true course , having given com- pass course . Rule 1. - Allow easterly variation to the right , and allow westerly variation to the left . Ex . 1. - The compass course is W.N.W. ...
... amount will be given hereafter . PROB . I. - To find the true course , having given com- pass course . Rule 1. - Allow easterly variation to the right , and allow westerly variation to the left . Ex . 1. - The compass course is W.N.W. ...
Page 13
... amount . That most commonly adopted is to place a compass on shore , out of reach of the ship's attraction , and to take the bearing of the ship's compass , or some other object in the same direction with it ; while at the same time the ...
... amount . That most commonly adopted is to place a compass on shore , out of reach of the ship's attraction , and to take the bearing of the ship's compass , or some other object in the same direction with it ; while at the same time the ...
Page 32
... amount to several minutes ; and its direction will be oppo- site to that in which the index was moved by the screw at the time of finishing the observation . But how far it affects the truth of the observation depends on the manner in ...
... amount to several minutes ; and its direction will be oppo- site to that in which the index was moved by the screw at the time of finishing the observation . But how far it affects the truth of the observation depends on the manner in ...
Page 33
... amount depend- ing on the altitude , which is called the correction of parallax . The correction of parallax , therefore , must always be applied with the positive sign . Its amount may be easily found ; for , let _ZPS = z ' , and ZCS ...
... amount depend- ing on the altitude , which is called the correction of parallax . The correction of parallax , therefore , must always be applied with the positive sign . Its amount may be easily found ; for , let _ZPS = z ' , and ZCS ...
Page 55
... amount of engineering skill is requisite . Vast Difficulties reservoirs must in some cases be formed for storing the in con- water necessary to supply during dry seasons the loss structing by lockage , leakage , and evaporation ...
... amount of engineering skill is requisite . Vast Difficulties reservoirs must in some cases be formed for storing the in con- water necessary to supply during dry seasons the loss structing by lockage , leakage , and evaporation ...
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Common terms and phrases
altitude amount ancient angle appear banks Bonar Bridge British built called canal Captain carried Cawnpore channel chief church coast command commenced compass consists contains course depth difference of latitude distance Dornoch Firth England extends feet fleet Greenwich Greenwich mean guns harbour haversine hour angle island king lake land length longitude Lord low-water Lucknow manufactures mean ment meridian miles mountains native Nautical Almanac naval navigation navy nearly Nelson Nepaul Neuchâtel newspapers Newton Niebuhr Nièvre Nineveh North Norway Nova Scotia observed officers papers parallax period population port principal province published rebels reign right ascension rise river Roman Royal Royal Navy sail sextant ship's ships side square miles tidal tide timber tion tonnage town trade true diff velocity vessels vols whole York Zealand