Longitude is the story of John Harrison's forty year obsession with building the perfect timepiece, what we now know as the chronometer. In this small superbly written book the history of modern navigation comes to light in riveting fashion. Full of heroism and chicanery, and showing how politics haven't changed much during the last 200 years this is a story that will leave you wishing for more. To quote the review in the New Scientist Sobel has done the impossible and made horology sexy'
Softcover 184 pages

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