Uttmark's guide to the United States local inspectors examination for masters and mates of ocean going steam and sailing ships (1919)
Uttmark, Fritz E · [New York] The Author · leaf 113
r towards the poles. Theminutes of the Mercators latitude scale are calledMeridional Parts (m). The values of themeridional parts are computed in Bowditch Table 3. The course and distance between two points Aand B may be measured on a Mercators chart or becomputed according to the formulas given on… … FIG.H. Obtain the difference of latitude and difference oflongitude according to the same rules as for MiddleLatitude sailing. From Table 3 Bowditch take out themeridional parts corresponding to the latitude of A alsothe meridional parts corresponding to the latitude of B.Subtract the lesser from…
Navigation
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
