Longitude

Sobel, Dava: 2005 UK, softcover 184 pages. Longitude, The True Story of a Lone Genius Who Solved the Greatest Scientific Problem of His Time tells how English clockmaker John Harrison solved the long‑standing problem of determining longitude at sea by creating an exceptionally accurate marine chronometer. Against a backdrop of disastrous voyages and a huge government prize, the book follows his decades‑long struggle for recognition and shows how his invention transformed navigation and made ocean travel far safer. ISBN 9780140258790 / 0007214227 In very good condition