Useful Tables from Bowditch's Practical Navigator |
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Useful Tables from Bowditch's Practical Navigator Nathaniel Bowditch,United States Bureau of Navigation (Nav No preview available - 2018 |
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63 Dist 80 Dist A.M. Hour P.M. added angle Answer calculated column marked consists contains correction corresponding Cosecant Cotangent Diff Cotangent Secant course decimal fraction Departure for 31 Difference of Latitude difference of longitude different Names feet figures find the logarithm four given number gives greater h mh mh Height Distance Hour A.M. Cosine Hour A.M. Hour Hour P.M.Hour A.M. I.I I.I I.I III.I integral Latitude and Declination Latitude and Departure left-hand column less than unity Logarithms of Numbers margin Meridional MHour middle latitude minute from noon mixed multiply Natural Sines nearly negative opposite P.M.Hour A.M. Cosine places of figures Points prefix the index Prop Proportional Logarithms quotient remainder right-hand RULE Seconds Sideral sought logarithm Subtract Sun's Altitude Tangent Variation об ნი