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 36
Fig. 18. 8 DEFINITIONS 21. *Whal; are the Terrestrial Poles? The Terrestrial Poles are the terminal points ofthe earths axis around whichthe earth revolves. P represents the NorthPole. P represents the SouthPole. The line P P representsaxis of the earth. (Fig. 19.) Fig 19. t ^ 22.—*What are the…
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