The Encyclopædia Britannica, Or, Dictionary of Arts, Sciences, and General Literature, 16. köideAdam & Charles Black, 1858 |
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Page 7
... distance from the equator , reckoned on a meridian in degrees , minutes , and seconds , and decimal parts of seconds ( if necessary ) , being either north or south , according as it is the Northern or Southern Hemisphere . Hence it ...
... distance from the equator , reckoned on a meridian in degrees , minutes , and seconds , and decimal parts of seconds ( if necessary ) , being either north or south , according as it is the Northern or Southern Hemisphere . Hence it ...
Page 8
... distance between the parallels through C and D ; and so on for all . Hence the sum of these distances , AH + BI + CK + DL + EM = AG ; which is called the true difference of latitude , or true diff . lat . from A to F. The corresponding ...
... distance between the parallels through C and D ; and so on for all . Hence the sum of these distances , AH + BI + CK + DL + EM = AG ; which is called the true difference of latitude , or true diff . lat . from A to F. The corresponding ...
Page 9
... distance between them throughout their length equal to the equatorial distance , instead of gradually decreasing as the latitude increases . In other words , FG is increased so as to become equal to VQ . Now , in order that on this ...
... distance between them throughout their length equal to the equatorial distance , instead of gradually decreasing as the latitude increases . In other words , FG is increased so as to become equal to VQ . Now , in order that on this ...
Page 10
... distance , form the sides of a right - angled triangle , and are proportional to the departure , true difference of latitude , and distance , in the triangle ABC . The two triangles are there- fore similar . ¿ If , then , in AB produced ...
... distance , form the sides of a right - angled triangle , and are proportional to the departure , true difference of latitude , and distance , in the triangle ABC . The two triangles are there- fore similar . ¿ If , then , in AB produced ...
Page 11
... distance given by them must be corrected accordingly . The distance sailed , therefore , may be affected by an error in the glass or in the line , or in both . The true distance may , however , be found as follows : - PROB . 1. - The ...
... distance given by them must be corrected accordingly . The distance sailed , therefore , may be affected by an error in the glass or in the line , or in both . The true distance may , however , be found as follows : - PROB . 1. - The ...
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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