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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Αποτελέσματα 1 - 5 από τα 35.
Σελίδα 55
... Sine of azimuth Secant altitude . Cofine latitude . Sine dift . object from meridi- an , to radius I. CHA P. V. Of the Corrections to be applied to ( 55 )
... Sine of azimuth Secant altitude . Cofine latitude . Sine dift . object from meridi- an , to radius I. CHA P. V. Of the Corrections to be applied to ( 55 )
Σελίδα 90
... Sine alt . = fine lat . cofecant de- clination , to radius unity . In places confiderably distant from the equa- * When the courfe and diftance made good between the obfervations , are given in place of the observed interval , and ...
... Sine alt . = fine lat . cofecant de- clination , to radius unity . In places confiderably distant from the equa- * When the courfe and diftance made good between the obfervations , are given in place of the observed interval , and ...
Σελίδα 103
... Sine 9.8722 Error in altitude - ΙΟ - P. Log . 1.2553 Error in the apparent time I ' 26 " P. Log . -- 2.0976 XI . PROBLEM Given the Error in Declination , to find the correfponding Error in the ap- parent time . RULE . To the constant ...
... Sine 9.8722 Error in altitude - ΙΟ - P. Log . 1.2553 Error in the apparent time I ' 26 " P. Log . -- 2.0976 XI . PROBLEM Given the Error in Declination , to find the correfponding Error in the ap- parent time . RULE . To the constant ...
Σελίδα 141
... Sine 9.97862 Sun's pol . dift . 113 24 42 Sine 9.96269 Difference 41 14 24 N.V.S. = 24804 17859 4.25185 Latitude - 34 59 7 N.Co - v.S.42663 Sun's zen . dift . 72. 10 18 Arc third 2 29 10 - Co - fecant H. E. T. - Cofine - 9.91344 ...
... Sine 9.97862 Sun's pol . dift . 113 24 42 Sine 9.96269 Difference 41 14 24 N.V.S. = 24804 17859 4.25185 Latitude - 34 59 7 N.Co - v.S.42663 Sun's zen . dift . 72. 10 18 Arc third 2 29 10 - Co - fecant H. E. T. - Cofine - 9.91344 ...
Σελίδα 142
... Sine 9.97417 Moon's pol . dift . 87 34 Sine 9.99961 Difference - 17 8 2 N.V.S. c4438 N.No. 09253 3.96630 Latitude 59 40 N.Co - v.S . 13691 Co - fine- 9.70332 Moon's zen . dift . 70 25 58 Co - fecant 0.02583 Arc third I 42 28 H. E. T. ...
... Sine 9.97417 Moon's pol . dift . 87 34 Sine 9.99961 Difference - 17 8 2 N.V.S. c4438 N.No. 09253 3.96630 Latitude 59 40 N.Co - v.S . 13691 Co - fine- 9.70332 Moon's zen . dift . 70 25 58 Co - fecant 0.02583 Arc third I 42 28 H. E. T. ...
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