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" ... altitude must have happened at all the three points and at Small's light, and at the ship, at the same instant of time ; and it followed, that Small's light must bear ENE, if the Chronometer was right. Having been convinced of this truth, the ship... "
The American Practical Navigator: Being an Epitome of Navigation and ... - Σελίδα 142
των Nathaniel Bowditch - 1888 - 647 σελίδες
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New American Practical Navigator, Τόμος 1

1977 - 1412 σελίδες
...Having been convinced of this truth, the ship was kept on her course, ENE, the wind being still SE, and in less than an hour, Small's light was made bearing ENE % E., and close aboard." In 1843 Sumner published his book, A New and Accurate Method of Finding a Ship's Position at Sea by...

A New and Accurate Method of Finding a Ship's Position at Sea, by Projection ...

Thomas H. Sumner - 1845 - 130 σελίδες
...Having been convinced of this truth, the ship was kept on her course, ENE, the wind being still SE, and in less than an hour, Small's light was made, bearing ENE i E., and close aboard. The latitude by dead reckoning, was erroneous 8 miles ; and if the longitude...

A New and Accurate Method of Finding a Ship's Position at Sea, by Projection ...

Thomas H. Sumner - 1845 - 106 σελίδες
...Having been convinced of this truth, the ship was kept on her course, ENE, the wind being still SE, and in less than an hour, Small's light was made, bearing ENE i E., and close aboard. The latitude by dead reckoning, was erroneous 8 miles; and if the longitude...

A New and Accurate Method of Finding a Ship's Position at Sea, by Projection ...

Thomas H. Sumner - 1851 - 104 σελίδες
...Having been convinced of this truth, the ship was kept on her course, ENE, the wind bearing still SE, and in less than an hour, Small's light was made,...close aboard. The latitude by dead reckoning, was erroneous 8 miles ; and if the longitude by chronometer had been found by this latitude, the ship's...

Naval Science: A Quarterly Magazine for Promoting the Improvement ..., Τόμος 3

Sir Edward James Reed, Joseph Woolley - 1874 - 670 σελίδες
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The American Practical Navigator: Being an Epitome of Navigation and ...

Nathaniel Bowditch - 1906 - 670 σελίδες
...must be somewhere on that line. The ship was kept on the course ENE., and in less than an hour Smalls light was made, bearing ENE. $ E. and close aboard....miles too far S. and 31' 30" of longitude too far . W., and the result to the ship might have teen disastrous had this wrong position been adopted. This...

Revue Hydrographique, Τόμος 15

1938 - 624 σελίδες
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American Practical Navigator: An Epitome of Navigation & Nautical Astronomy ...

Nathaniel Bowditch - 1931 - 866 σελίδες
...must be somewhere on that line. The ship was kept on the course ENE., and in less than an hour Smalls light was made, bearing ENE. $ E. and close aboard....miles too far S., and 31' 30" of longitude too far W., and the result to the ship might have been disastrous had this wrong position been adopted. This...

Astronomy, Maps, and Weather

Charles Clayton Wylie - 1942 - 472 σελίδες
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Publications of the Astronomical Society of the Pacific, Τόμοι 55-56

Astronomical Society of the Pacific - 1943 - 634 σελίδες
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