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 xii
... Moon and a Star - - not used in the Nautical Almanac IX . Of finding the Longitude , by an Obfervation of the Distance between the Moon and a Planet X. Of finding the Longitude , by an Obfervation of the Moon's Altitude - the apparent ...
... Moon and a Star - - not used in the Nautical Almanac IX . Of finding the Longitude , by an Obfervation of the Distance between the Moon and a Planet X. Of finding the Longitude , by an Obfervation of the Moon's Altitude - the apparent ...
Σελίδα 12
... moon ought to be compared with thofe ftars , which are fituated in or near its orbit ; by which means as little as poffible of the moon's proper motion will be loft . The stars used in the Nauti- cal Almanack , for the purpose of ...
... moon ought to be compared with thofe ftars , which are fituated in or near its orbit ; by which means as little as poffible of the moon's proper motion will be loft . The stars used in the Nauti- cal Almanack , for the purpose of ...
Σελίδα 17
... MOON . HE Moon , though only a fatellite belonging to the earth , is , next to the Sun , the moft confpicuous body in ... Moon's phases and its elongations from the Sun with each other , it is found , that the fame phafe correfponds to ...
... MOON . HE Moon , though only a fatellite belonging to the earth , is , next to the Sun , the moft confpicuous body in ... Moon's phases and its elongations from the Sun with each other , it is found , that the fame phafe correfponds to ...
Σελίδα 18
... moon , and it is faid to be in fyzigy . When the moon is at B , or 45o from the fun , it is faid to be in its first octant ; in this cafe , part of the moon's enlightened difc is towards the earth , and it appears in form of a crescent ...
... moon , and it is faid to be in fyzigy . When the moon is at B , or 45o from the fun , it is faid to be in its first octant ; in this cafe , part of the moon's enlightened difc is towards the earth , and it appears in form of a crescent ...
Σελίδα 19
... Moon's phafes it will appear , that if its orbit coincided with the ecliptic , it would pass directly be- tween the Earth and the Sun at every new Moon , and being an opake body ... Moon's orbit , and the fum of the Moon's horizontal ( 19 )
... Moon's phafes it will appear , that if its orbit coincided with the ecliptic , it would pass directly be- tween the Earth and the Sun at every new Moon , and being an opake body ... Moon's orbit , and the fum of the Moon's horizontal ( 19 )
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