Sobel, Dava, <br/><br/>
Longitude :  the true story of a lone genius who solved the greatest scientific problem of his time / 
Dava Sobel. 
 - viii, 184 pages :  18cm 
<br/><br/>Bibliography: (pages 177-180) and index. 
<br/><br/><label>ISBN: </label>1857025024 (hardback) 
<br/><br/><label>Subjects--Personal Names: </label><br/>Harrison, John, 1693-1776. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Longitude--Measurement--History. <br/>Chronometers--History. <br/>Clock and watch makers--Biography. --Great Britain
<br/><br/><label>Dewey Class. No.: </label>623.863