John Harrison's wooden clocks - part 2
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A smashing insight into the craftsmanship of the Great John Harrison.
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Great video. Its nice to see someone who apreciates the importance of these clocks
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Good video with lots of good information. Thanks for putting it up here.
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Very nice presentations. For a great read on John Harrison and the search for Longitude read Dava Sobel's "Longitude", The True Story of a Lone Genius Who Solved the Greatest Scientific Problem of His Time. I got it as a gift recently and was bowled over with this historical account.
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How amazingly clever..
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@griffithstoby amazing, a man clearly ahead of his time...
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@Waltham1892 harrison invented the gridiron pendulum
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Superb sequel!
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So, the bar construction of the pendulum bars uses the same brass/steel mix that late 19th century pocket watch balance wheels!
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Did you get the original text-only version of 'Longitude' or the later illustrated version? If you got the former I advise you to also try and get hold of the latter - the illustrations add a great deal to the story.
The book is 'The Illustrated Longitude' by Dava Sobel & William J. Andrewes. ISBN 1-85702-714-0
fosteragnes 5 months ago