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 |
Αναζήτηση στο βιβλίο
Αποτελέσματα 1 - 5 από τα 31.
Σελίδα 8
... moving forward in the ecliptic , the fun apparently recedes from the north pole with an ac- celerated motion till it enters Libra , and being again in the equinoc- tial has no declination ; the fun moving through the signs , Libra ...
... moving forward in the ecliptic , the fun apparently recedes from the north pole with an ac- celerated motion till it enters Libra , and being again in the equinoc- tial has no declination ; the fun moving through the signs , Libra ...
Σελίδα 10
... moves in a retró- grade direction , about 50 " .338 of a degree yearly — therefore , a re- volution of the equinoctial points will be completed in about 25746 years ; this is called the Annus Magnus , or Great Year . Since the equator ...
... moves in a retró- grade direction , about 50 " .338 of a degree yearly — therefore , a re- volution of the equinoctial points will be completed in about 25746 years ; this is called the Annus Magnus , or Great Year . Since the equator ...
Σελίδα 11
... moved in confequentia , or towards the east , almost a whole fign , fince the time of Hipparchus ; so that the conftellation Aries is now where Taurus then was , Taurus where Gemini , & c . However , to avoid confufion , the spaces ...
... moved in confequentia , or towards the east , almost a whole fign , fince the time of Hipparchus ; so that the conftellation Aries is now where Taurus then was , Taurus where Gemini , & c . However , to avoid confufion , the spaces ...
Σελίδα 13
... move round their axis from weft to east , called their Rotation . The time of ro- tation is measured by the return of any meridian to the fame fixed ftar , which is called a Siderial Day ; and the return of the fame me- ridan to the Sun ...
... move round their axis from weft to east , called their Rotation . The time of ro- tation is measured by the return of any meridian to the fame fixed ftar , which is called a Siderial Day ; and the return of the fame me- ridan to the Sun ...
Σελίδα 14
... move forward according to the order of the figns , with the excefs of its velocity above the earth's motion , the ... move The proportion of the axes of Jupiter , agreeable to M. de la Place's calculations , is nearly 69 74 move thro ...
... move forward according to the order of the figns , with the excefs of its velocity above the earth's motion , the ... move The proportion of the axes of Jupiter , agreeable to M. de la Place's calculations , is nearly 69 74 move thro ...
Άλλες εκδόσεις - Προβολή όλων
The Theory And Practice Of Finding The Longitude At Sea Or Land Andrew MacKay Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2018 |
The Theory and Practice of Finding the Longitude at Sea Or Land Andrew MacKay Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2015 |
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