by Dava Sobel · Berlin Verlag · tapa dura · ISBN 9783827002143
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«Längengrad» is Dava Sobel's historical and scientific popular essay, published by Berlin Verlag in hardcover (238 pages, in German).
In the eighteenth century, navigators could not fix their position at sea for lack of a precise clock; while most scientists sought the solution in the stars, clockmaker John Harrison devised a marine chronometer. The book narrates his long struggle to prove its validity and gain recognition, amid rivalries and interests.
This 1996 edition includes a dust jacket and a ribbon bookmark. The English original, Longitude, was published in 1995. Shortlisted for the Royal Society Science Book Prize in 1997.
For those interested in the history of science, navigation, and popular biographies.
Dava Sobel is an American writer of popular expositions of scientific topics. Her books include Longitude, about English clockmaker John Harrison; Galileo's Daughter, about Galileo's daughter Maria Celeste; and The Glass Universe: How the Ladies of the Harvard Observatory Took the Measure of the Stars about the Harvard Computers.
