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 35
Fig. 16. UTTMARKS GUIDE … 19.—*What is Difference in Latitude? The di£ference of Latitude between the twoplaces, A and B, is the arcof a meridian intercepted be-tween the parallels of Lati-tude of the given places andis named North or South ac-cording to the direction fromone place to the other. The difference of…
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