The Encyclopædia Britannica, Or, Dictionary of Arts, Sciences, and General Literature, 16. köideAdam & Charles Black, 1858 |
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Page 2
... latitudes , nor in steering their vessels in places of difficult navigation , as the moderns . But the greatest advantage which the moderns possess over the ancients consists in the mariner's compass , by which they are enabled to find ...
... latitudes , nor in steering their vessels in places of difficult navigation , as the moderns . But the greatest advantage which the moderns possess over the ancients consists in the mariner's compass , by which they are enabled to find ...
Page 3
... latitude from his meridian altitude ; directions to find the same by certain stars ; of the course of the sun and moon ; the length of the days ; of time and its divisions ; the method of find- ing the hour of the day and night ; and ...
... latitude from his meridian altitude ; directions to find the same by certain stars ; of the course of the sun and moon ; the length of the days ; of time and its divisions ; the method of find- ing the hour of the day and night ; and ...
Page 4
... latitude ; and at the end of the book is delivered a method of sailing upon a parallel of latitude by means of a ring dial and a twenty - four hour glass . The same year the discovery of the dipping - needle was made by Robert Norman ...
... latitude ; and at the end of the book is delivered a method of sailing upon a parallel of latitude by means of a ring dial and a twenty - four hour glass . The same year the discovery of the dipping - needle was made by Robert Norman ...
Page 5
... latitude will always fall short of the true change of longitude , that by the geome- trical mean will always exceed ; but that by the arithme- tical mean falls short in latitudes of about 45 ° , and exceeds in lesser latitudes . However ...
... latitude will always fall short of the true change of longitude , that by the geome- trical mean will always exceed ; but that by the arithme- tical mean falls short in latitudes of about 45 ° , and exceeds in lesser latitudes . However ...
Page 6
... latitudes , supposed to be on the same side of the equator , is to the following effect : - " Take the logarithmic tangent , rejecting the radius , of half each latitude , augmented by 45 ; divide the difference of those numbers by the ...
... latitudes , supposed to be on the same side of the equator , is to the following effect : - " Take the logarithmic tangent , rejecting the radius , of half each latitude , augmented by 45 ; divide the difference of those numbers by the ...
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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