Longitude Sailing Directions 142 7" Edition Date: 2018-11-01 Corrected

7" Edition Date: 2018-11-01 Corrected Date: 2018-11-01

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By John Craddock

Chart Image Size: 58¾" x 35½"

Discover the surprising truths behind:

Longitude Sailing Directions 142 7" Edition Date: 2018-11-01 Correctedby 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