Longitude

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Longitude

Longitude
  • Author : U.S. Coast and Geodetic Survey
  • Publisher :
  • Release Date :1894
  • Total pages :329
  • ISBN :
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Longitude

Longitude
  • Author : Dava Sobel
  • Publisher :
  • Release Date :2010-07-05
  • Total pages :208
  • ISBN : 9780802779434
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Summary : The dramatic human story of an epic scientific quest and of one man's forty-year obsession to find a solution to the thorniest scientific dilemma of the day--"the longitude problem." 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.

The Theory and Practice of Finding the Longitude at Sea Or Land

The Theory and Practice of Finding the Longitude at Sea Or Land
  • Author : Andrew Mackay
  • Publisher :
  • Release Date :1793
  • Total pages :329
  • ISBN :
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Determination of the Difference of Longitude Between Washington and Paris, 1913-1914

Determination of the Difference of Longitude Between Washington and Paris, 1913-1914
  • Author : United States Naval Observatory
  • Publisher :
  • Release Date :1916
  • Total pages :100
  • ISBN :
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Longitude by Wire

Longitude by Wire
  • Author : Richard Stachurski
  • Publisher :
  • Release Date :2009
  • Total pages :239
  • ISBN : 9781570038013
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Summary : At the turn of the nineteenth century, even the most experienced mariners were still risking catastrophe when navigating the North American coastline, because they lacked accurate navigational charts. The various means available to chart makers of the era to measure longitude, both celestial and terrestrial, could be off by thousands of feet -- often deadly for ships. In 1807 the U. S. Coast Survey was created to map the coast accurately and reduce the costly and deadly toll of shipwrecks, a challenge that would take the better part of a century to overcome. This is the tale of discoveries made by American scientists as they worked to solve this life-threatening quandary and develop a precise method of measuring longitude. It recounts how the successful coupling of precision chronometers with the new electrical technology represented by Samuel Morse's telegraph produced the solution to the longitude problem. The use of the telegraph by scientists of the U.S Coast Survey to communicate time signals reduced the probable error in longitudinal measurement to less than ten feet. The "American method," as it was deemed, quickly revolutionized observational astronomy and every other branch of science that depended on recording the precise time of an event.

On the Longitude and the easiest methods of ascertaining the same

On the Longitude and the easiest methods of ascertaining the same
  • Author : Arthur Wellington PRICE
  • Publisher :
  • Release Date :1858
  • Total pages :329
  • ISBN :
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Portuguese and Spanish Attempts to Measure Longitude in the 16th Century

Portuguese and Spanish Attempts to Measure Longitude in the 16th Century
  • Author : W. G. L. Randles
  • Publisher :
  • Release Date :1985
  • Total pages :21
  • ISBN :
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A Practical Method for Finding the Longitude and Latitude of a Ship at Sea, by Observations of the Moon

A Practical Method for Finding the Longitude and Latitude of a Ship at Sea, by Observations of the Moon
  • Author : Robert Waddington
  • Publisher :
  • Release Date :1763
  • Total pages :88
  • ISBN :
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Summary :

A Supplement to the Treatise for Finding the Longitude

A Supplement to the Treatise for Finding the Longitude
  • Author : Robert Waddington
  • Publisher :
  • Release Date :1764
  • Total pages :45
  • ISBN :
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Latitude and Longitude--Read, Read, Read Your Map Hands-On Activity

Latitude and Longitude--Read, Read, Read Your Map Hands-On Activity
  • Author : Sarah D. Giese
  • Publisher :
  • Release Date :2014-01-01
  • Total pages :8
  • ISBN : 1425878032
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Summary : Make geography fun and interactive to motivate your students. Encourage teamwork, creativity, reflection, and decision making. Take an active approach to teaching while inspiring your students to make their own explorations of geography.

A practical introduction to finding the Longitude at sea by lunar observations; also, to spherics and nautical Astronomy, etc

A practical introduction to finding the Longitude at sea by lunar observations; also, to spherics and nautical Astronomy, etc
  • Author : Thomas EVANS (Lieut. R.N.)
  • Publisher :
  • Release Date :1817
  • Total pages :329
  • ISBN :
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Discovery of Longitude, The

Discovery of Longitude, The
  • Author : Joan Marie Galat
  • Publisher :
  • Release Date :2012-09-14
  • Total pages :32
  • ISBN : 9781455616374
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Summary : Scientific discovery changes the world! Discover the fascinating story behind one of the most important changes to nautical navigation in this nonfiction book for young readers. More than 300 years ago, explorers wandered the seas using unreliable maps. What they needed to know was the longitude of their locations, but for that they needed accurate time keeping. Unfortunately, no accurate source of time measurement at sea existed. In 1714 the British government decided to offer a reward to anyone who could solve the problem. Learned men and great thinkers alike tried unsuccessfully to work out a solution. They declared it unsolvable! Carpenter John Harrison was intrigued; he thought he might have a solution. He worked for years to design a clock that functioned accurately at sea, even though no one believed he could do it. Even after his timepiece was demonstrated effective at sea, he was still not acknowledged for his ingenious solution. It took many years and intervention by the king to grant Harrison the recognition and reward he deserved for solving the problem of how to accurately track longitude and for winning the British government prize. The book offers a detailed map of the world at that time and includes the advancements in the use of longitude since then.

Latitude, Longitude, and Direction

Latitude, Longitude, and Direction
  • Author : Julia J. Quinlan
  • Publisher :
  • Release Date :2012-01-15
  • Total pages :24
  • ISBN : 1448861578
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Summary : Explains the concepts of latitude and longitude as well as the purpose of the compass rose on a map.

Star tables ... for ... ascertaining the longitude and latitude at sea

Star tables ... for ... ascertaining the longitude and latitude at sea
  • Author : Thomas Lynn
  • Publisher :
  • Release Date :1821
  • Total pages :1845
  • ISBN :
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Latitude and Longitude--Grid and Bear It! Hands-On Activity

Latitude and Longitude--Grid and Bear It! Hands-On Activity
  • Author : Sarah D. Giese
  • Publisher :
  • Release Date :2014-01-01
  • Total pages :10
  • ISBN : 1425878024
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Summary : Make geography fun and interactive to motivate your students. Encourage teamwork, creativity, reflection, and decision making. Take an active approach to teaching while inspiring your students to make their own explorations of geography.