The longitude prize /
[by] Joan Dash ; pictures by Dusan Petricic.
- New York : Farrar, 2000.
- 200 p. : ill. ; 21 cm.
Includes bibliographical references and index.
The story of John Harrison, inventor of watches and clocks, who spent forty years working on a time-machine which could be used to accurately determine longitude at sea.
4-8.
0374346364
97044257
Harrison, John, 1693-1776.
Clocks and watches. Longitude. Inventors--Biography.