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Longitude by Dava Sobel
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Illustrated Longitude by Dava Sobel & William J.H. Andrews
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The Quest for Longitude edited by William J.H. Andrews
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John Harrison, Clockmaker at Barrow; Near Barton upon Humber; Lincolnshire: The Wooden Clocks 1713-1730 by Andrew King
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Even Newton Could Be Wrong: The Story of Harrison's First Three Sea Clocks by William J.H. Andrews
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The Timekeeper that Won the Longitude Prize by Anthony G. Randall
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The Scandalous Neglect of Harrison's Regulator Science by Martin Burgess
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Chapter in Precision Pendulum Clocks by Derek Roberts
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The Lost Science of John "Longitude" Harrison by William Laycock
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Marine Chronometer by Rupert T. Gould R.N.
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John Harrison by Humphrey Quill
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Time Restored by Jonathan Betts
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Harrison Decoded - Towards a Perfect Pendulum Clock - Editied by Rory McEvoy and Jonathan Betts