Longitude practical navigator Discover ways to get more

Discover ways to get more performance out of your sails

Last NTM: 3-May-2019

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Longitude practical navigator Discover ways to get moreby Dava Sobel The dramatic human story of an epic scientific quest and of one man's forty year obsession to find a solution to the thorniest scientific dilemma of the day "the longitude problem." Anyone alive in the eighteenth century would have known that "the longitude problem" was the thorniest scientific dilemma of the day and had been for centuries. Lacking the ability to measure their longitude, sailors throughout the great ages of exploration