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
... Star or Planet , or from double , treble , & c . altitudes of any of these objects ; but withregard to the longitude , a more difficult operation becomes necessary . At land , indeed , the longitude of any place may be found with very ...
... Star or Planet , or from double , treble , & c . altitudes of any of these objects ; but withregard to the longitude , a more difficult operation becomes necessary . At land , indeed , the longitude of any place may be found with very ...
Σελίδα xi
... Stars IV . Of the Planets V. Of the Moon воок II . - page I 5 9 12 11 . Upon the Inftruments for measuring angular ... Star , from the effects of Refraction and Parallax V. Of finding the Longitude at Sea or Land by Lunar Obfervations ...
... Stars IV . Of the Planets V. Of the Moon воок II . - page I 5 9 12 11 . Upon the Inftruments for measuring angular ... Star , from the effects of Refraction and Parallax V. Of finding the Longitude at Sea or Land by Lunar Obfervations ...
Σελίδα xii
... Star , together with the apparent Time of Obfervation - VII . A new method of finding the 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 ...
... Star , together with the apparent Time of Obfervation - VII . A new method of finding the 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 ...
Σελίδα 4
... stars is to be observed , and corrected for the preceffion , aberration , nutation , & c . - then the difference between the zenith distances of the fame star gives the correfpondent celeftial arc . Now , As the celeftial arc Is to one ...
... stars is to be observed , and corrected for the preceffion , aberration , nutation , & c . - then the difference between the zenith distances of the fame star gives the correfpondent celeftial arc . Now , As the celeftial arc Is to one ...
Σελίδα 7
... star is between the equinoctial and north or fouth pole . The RIGHT ASCENSION of a star , is the arch of the equinoctial intercepted between its meridian and the vernal equinox , and is reckoned eastwards . The ECLIPTIC is that great ...
... star is between the equinoctial and north or fouth pole . The RIGHT ASCENSION of a star , is the arch of the equinoctial intercepted between its meridian and the vernal equinox , and is reckoned eastwards . The ECLIPTIC is that great ...
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