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 xi
... 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 Inftruments for measuring angular Distances at Sea , and of the Corrections to be applied to ...
... 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 Inftruments for measuring angular Distances at Sea , and of the Corrections to be applied to ...
Σελίδα 1
... Earth , the places of the Heavenly Bodies could . not be accurately settled , from obfervations made on its furface ... Earth ; hence the neceffity of knowing both the figure and mag- nitude of the Earth is apparently obvious . The ...
... Earth , the places of the Heavenly Bodies could . not be accurately settled , from obfervations made on its furface ... Earth ; hence the neceffity of knowing both the figure and mag- nitude of the Earth is apparently obvious . The ...
Σελίδα 2
... Earth therefore is fpherical . II . LEMMATA . - ft . The diftance of the neareft fixed ftar , when compared with the magnitude of the Earth , is fo immenfe , that rays flowing therefrom to any two points on the surface of the earth ...
... Earth therefore is fpherical . II . LEMMATA . - ft . The diftance of the neareft fixed ftar , when compared with the magnitude of the Earth , is fo immenfe , that rays flowing therefrom to any two points on the surface of the earth ...
Σελίδα 3
... earth is fpherical . VI . The planets that have been hitherto difcovered are obferved to be globular ; the Earth is alfo a planet , fubject to the fame laws , and revolving round the fun in the fame manner as the other plan- ets ...
... earth is fpherical . VI . The planets that have been hitherto difcovered are obferved to be globular ; the Earth is alfo a planet , fubject to the fame laws , and revolving round the fun in the fame manner as the other plan- ets ...
Σελίδα 4
... earth . The method ufually practised to find the length of a degree is , to measure a base , as accurately as poffible , of about one tenth of the portion of the meridian intended to be measured , and nearly in the middle of that ...
... earth . The method ufually practised to find the length of a degree is , to measure a base , as accurately as poffible , of about one tenth of the portion of the meridian intended to be measured , and nearly in the middle of that ...
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