The Theory and Practice of Finding the Longitude at Sea Or Land: To which are Added, Various Methods of Determining the Latitude of a Place, and Variation of the Compass; with New Tables. By Andrew Mackay, ...J. Sewell, P. Elmsly, and J. Evans, 1793 |
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Σελίδα vi
... longitude , a more difficult operation becomes necessary . At land , indeed , the longitude of any place may be found with very little trouble by feveral methods , particularly by the eclipfes of Jupiter's fatellites ; and the longitude ...
... longitude , a more difficult operation becomes necessary . At land , indeed , the longitude of any place may be found with very little trouble by feveral methods , particularly by the eclipfes of Jupiter's fatellites ; and the longitude ...
Σελίδα vii
... longitude may in most cafes be determined with- in half a degree , ( which at fea is esteemed no very great er- ror , ) and if the calculations are accurately performed , from the mean of several fets of good obfervations , taken at ...
... longitude may in most cafes be determined with- in half a degree , ( which at fea is esteemed no very great er- ror , ) and if the calculations are accurately performed , from the mean of several fets of good obfervations , taken at ...
Σελίδα viii
... longitude already mentioned , and also thofe from which any advantage can be derived for the folu- tion of this ... longitude at fea . It alfo contains a new method of finding the longitude of a fhip at fea , together with the apparent ...
... longitude already mentioned , and also thofe from which any advantage can be derived for the folu- tion of this ... longitude at fea . It alfo contains a new method of finding the longitude of a fhip at fea , together with the apparent ...
Σελίδα xi
... Longitude at Sea or Land are explained . CHAP . I. Of the Figure and Magnitude of the Earth II . Definitions , Principles , & c . III . Of the Fixed Stars IV . Of the Planets V. Of the Moon воок II . - page I 5 9 12 11 . Upon the ...
... Longitude at Sea or Land are explained . CHAP . I. Of the Figure and Magnitude of the Earth II . Definitions , Principles , & c . III . Of the Fixed Stars IV . Of the Planets V. Of the Moon воок II . - page I 5 9 12 11 . Upon the ...
Σελίδα xii
... Longitude and Latitude of a ship at Sea VIII . Of finding the Longitude at Sea or Land by an Obfer- vation of the Distance between the Moon and a Star - - not used in the Nautical Almanac IX . Of finding the Longitude , by an ...
... Longitude and Latitude of a ship at Sea VIII . Of finding the Longitude at Sea or Land by an Obfer- vation of the Distance between the Moon and a Star - - not used in the Nautical Almanac IX . Of finding the Longitude , by an ...
Άλλες εκδόσεις - Προβολή όλων
The Theory and Practice of Finding the Longitude at Sea Or Land: To Which ... Andrew MacKay Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2015 |
The Theory And Practice Of Finding The Longitude At Sea Or Land Andrew MacKay Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2018 |
Συχνά εμφανιζόμενοι όροι και φράσεις
Aberdeen add the log adjuſtment alfo alſo anfwering angle apparent altitude apparent diſtance arc fecond arc firft arch Arcturus arifing azimuth becauſe cafe co-fecant co-fine co-tangent Co-verfed computing correction correfponding courſe degrees Diff dift divifion Earth ecliptic emerfion equal altitudes equation error fame fecant feen femidiameter fextant fhip fhould figns fince finding the Longitude firſt Fixed Star folar ftar fubtract given glaſs greateſt Greenwich half Hence horizon glafs horizontal parallax increaſe inftrument interfection interval laſt latitude lefs limb logarithm mean meaſured meridian method Moon moſt motion muſt Nautical Almanac neareſt neceffary nonagefimal noon obferved altitude object Obliq paffing place of obfervation planet pofition purpoſe quadrant reduced Reduced latitude refraction Rifing ſhip ſtar Sun's right afcenfion tangent teleſcope thefe theſe tion tranfit true altitude true diſtance true longitude tude uſed variation Verfed Verfed fine watch weft zenith diſtance ΙΟ