The famous "longitude problem," by which many sailors lost their lives and many fortunes were ruined, was promoted with new energy when England's Parliament offered 20,000 pounds in 1714 to anyone who could solve it. John Harrison dared to take on the task, changing history forever. This edition is packed with large color contemporary maps, paintings, diagrams. For the illustrated edition, Andrews provided illustrations captions and supplementary text. VERY GOOD condition. Walker and Company. NY. 1998. Paper. USED. $20.00