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 106
n minutes. Turning to 36° 70 NAVIGATION PROBLEMS in Table II. we find against 310 in the distance column:250.8 in the latitude column. This is the number of milesthe ship has sailed in order to change her longitude 5° 10.NOTE: With expression miles, unless otherwisestated, we mean nautical miles or… … well as her longitude and the formula as given forparallel sailing must be modified. The course anddistance from A to B of any two places may befound by Middle Latitude Sailing. Solving this prob-lem we need to know the latitude and longitude of thetwo places. Assuming latitude of A to be 40° 25…
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