The man who made time travel

Describes the need for sailors to be able to determine their position at sea and the efforts of John Harrison, an eighteenth century man who spent his life refining instruments to enable them to do this.

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Bibliographic Details
Main Author: Lasky, Kathryn
Other Authors: Hawkes, Kevin (Illustrator)
Format: Books Print Book
Language:English
Published: New York : Melanie Kroups Books, c2003.
Edition:1st ed.
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