16996

Sobel, Dava.

$4.00

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. VG condition. Walker and Company. NY. 1995. USED. $4.00