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Availability: Usually ships in 24 hours
Binding: Paperback
Dewey Decimal Number: 526.62
EAN: 9780802715296
ISBN: 0007790163
Label: Walker & Company
Manufacturer: Walker & Company
Number Of Items: 1
Number Of Pages: 208
Publication Date: October 30, 2007
Publisher: Walker & Company
Release Date: October 30, 2007
Sales Rank: 6772
Studio: Walker & Company
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Editorial Review:
Product Description:
Anyone alive in the eighteenth century would have known that “the longitude problem” was the thorniest scientific dilemma of the day—and had been for centuries. Lacking the ability to measure their longitude, sailors throughout the great ages of exploration had been literally lost at sea as soon as they lost sight of land. Thousands of lives and the increasing fortunes of nations hung on a resolution. One man, John Harrison, in complete opposition to the scientific community, dared to imagine a mechanical solution—a clock that would keep precise time at sea, something no clock had ever been able to do on land. Longitude is the dramatic human story of an epic scientific quest and of Harrison’s forty-year obsession with building his perfect timekeeper, known today as the chronometer. Full of heroism and chicanery, it is also a fascinating brief history of astronomy, navigation, and clockmaking, and opens a new window on our world.
Amazon.com Review:
The thorniest scientific problem of the eighteenth century was how to determine longitude. Many thousands of lives had been lost at sea over the centuries due to the inability to determine an east-west position. This is the engrossing story of the clockmaker, John 'Longitude' Harrison, who solved the problem that Newton and Galileo had failed to conquer, yet claimed only half the promised rich reward.
Customer Reviews
Average Rating: 
Rating: - It is written in plain english, without complicate words and ideas
With this book you can get very entertained. It is written in plain english, without complicate words and ideas; it explains the relation between time keeping and navigation problems in a very clear way: In the future I would like to read a Sobel's book about atomic clocks!
I recommend this book, not only for people interested on science and history but also for those that are studying english as a second language.
Rating: - A short novel on longitude that's well worth your time
Who knew a short novel about "longitude" and a humble clockmaker's invention that perfected nautical navigation could be so engrossing? Author Dava Sobel weaves a spellbinding account of John Harrison, and how his new invention called a "chronometer," was the topic contender for the "X Prize" of its day -- discovering a reliable means of computing a ship's longitude at sea. Politics, conflicts of personality, ego, and other dramatic elements make this book not only an educational read, but also a fun (and relatively short) novel.
This book was recommended to me, and I have to say I was a bit skeptical at first. But I decided to give it a go, and I have to say that it was really hard to put down this book. I recommend this book for anyone who enjoys reading good underdog stories -- or is simply curious about a technology that, though resisted at first, quite literally redrew the map of the world.
Rating:  - Longitude - Great for science-minded kids over 10
I bought this for my visiting grandson. We had a fine time reading it together and discussing what a great invention longitude was, how many sailors' lives it saved, and the way the inventor had to fight to get the prize offered by the government for finding a way for sailors to know their exact location. I finally know why Greenwich is the "center" of time measurement. Easy to understand and yet very comprehensive on this fundamental subject.
Rating: - Longitude is terrific
This book is a well-written story about how scientists and engineers figured out how to navigate the globe. It is a story that was well known in its day and forgotten within 50 years.
Rating: - Surprisingly fantastic!
My husband (a scientist) loves books on exploration and discovery. When he finished this book - surprisingly quickly - he said "you'll love this." Sure, I'll read anything once so I gave it a try. The author has such a knack with prose that this book basically read itself! Time flew when I picked it up and I was done in no time. What a fantastic surprise! When I finished it, I mailed it to my brother who read it & sent it to a friend; it;s that good....
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