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Showing posts with label Celestial Navigation Calculations (Upon Oceans Endorsement) Worked-Out for Maste by Mr. Alexander F. Hickethier MBA (2012-12-19). Show all posts
Showing posts with label Celestial Navigation Calculations (Upon Oceans Endorsement) Worked-Out for Maste by Mr. Alexander F. Hickethier MBA (2012-12-19). Show all posts