John Harrison And His Marine Timekeepers

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Longitude

Author : Dava Sobel
Publisher : Bloomsbury Publishing USA
ISBN 13 : 0802779433
Total Pages : 209 pages
Book Rating : 4.8/5 (27 download)

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Book Synopsis Longitude by : Dava Sobel

Download or read book Longitude written by Dava Sobel and published by Bloomsbury Publishing USA. This book was released on 2010-07-05 with total page 209 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

John Harrison and the Quest for Longitude

Author :
Publisher :
ISBN 13 : 9781906367992
Total Pages : 0 pages
Book Rating : 4.3/5 (679 download)

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Book Synopsis John Harrison and the Quest for Longitude by :

Download or read book John Harrison and the Quest for Longitude written by and published by . This book was released on 2023-02-28 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: John Harrison and the Quest for Longitude, in a revised and updated edition, is a fascinating account of the life and achievements of John Harrison, the man who designed and built the first accurate marine chronometers. Inspired by the prize offered in 1714 to provide a solution to the problem of determining longitudinal position at sea, John Harrison - a carpenter by trade - set out to develop portable clocks that would rival even the most precise watches of the time. His famous 'H' timepieces went on to revolutionise sea travel and save many thousands of lives. Now housed in the collection of Royal Observatory Greenwich, they are milestones in clock- making history. Beautifully illustrated with images that showcase the intricate detail and mechanisms of the timepieces,John Harrison and the Quest for Longitudetells the story of one man driven by the need to solve one of the greatest practical problems of his time.

Time Restored

Author : Jonathan Betts
Publisher : OUP Oxford
ISBN 13 : 019162084X
Total Pages : 484 pages
Book Rating : 4.1/5 (916 download)

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Book Synopsis Time Restored by : Jonathan Betts

Download or read book Time Restored written by Jonathan Betts and published by OUP Oxford. This book was released on 2011-05-19 with total page 484 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the story of Rupert T. Gould (1890-1948), the polymath and horologist. A remarkable man, Lt Cmdr Gould made important contributions in an extraordinary range of subject areas throughout his relatively short and dramatically troubled life. From antique clocks to scientific mysteries, from typewriters to the first systematic study of the Loch Ness Monster, Gould studied and published on them all. With the title The Stargazer, Gould was an early broadcaster on the BBC's Children's Hour when, with his encyclopaedic knowledge, he became known as The Man Who Knew Everything. Not surprisingly, he was also part of that elite group on BBC radio who formed The Brains Trust, giving on-the-spot answers to all manner of wide ranging and difficult questions. With his wide learning and photographic memory, Gould awed a national audience, becoming one of the era's radio celebrities. During the 1920s Gould restored the complex and highly significant marine timekeepers constructed by John Harrison (1693-1776), and wrote the unsurpassed classic, The Marine Chronometer, its History and Development. Today he is virtually unknown, his horological contributions scarcely mentioned in Dava Sobel's bestseller Longitude. The TV version of Longitude, in which Jeremy Irons played Rupert Gould, did at least introduce Gould's name to a wider public. Gould suffered terrible bouts of depression, resulting in a number of nervous breakdowns. These, coupled with his obsessive and pedantic nature, led to a scandalously-reported separation from his wife and cost him his family, his home, his job, and his closest friends. In this first-ever biography of Rupert Gould, Jonathan Betts, the Royal Observatory Greenwich's Senior Horologist, has given us a compelling account of a talented but flawed individual. Using hitherto unknown personal journals, the family's extensive collection of photographs, and the polymath's surviving records and notes, Betts tells the story of how Gould's early life, his naval career, and his celebrity status came together as this talented Englishman restored part of Britain's - and the world's - most important technical heritage: John Harrison's marine timekeepers.

Harrison Decoded

Author : Rory McEvoy
Publisher : Oxford University Press
ISBN 13 : 0192548808
Total Pages : 212 pages
Book Rating : 4.1/5 (925 download)

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Book Synopsis Harrison Decoded by : Rory McEvoy

Download or read book Harrison Decoded written by Rory McEvoy and published by Oxford University Press. This book was released on 2020-04-27 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: Harrison Decoded: Towards a Perfect Pendulum Clock brings together the output of a forty-year collaborative research project that unpicked and put into practice the fine details of John Harrison's extraordinary pendulum clock system. Harrison predicted that his unique method of making pendulum clocks could provide as much as one-hundred-times the stability of those made by his contemporaries. However, his final publication, which promised to describe the system, was a chaotic jumble of information, much of which had nothing to do with clockwork. One contemporary reviewer of Harrison's book could only suggest that the end result was a product of Harrison's 'superannuated dotage.' The focus of this book centres on the making, adjusting, and testing of Clock B which was the subject of various trials at the Royal Observatory, Greenwich. The modern history of Clock B is accompanied by scientific analysis of the clock system, Clock B's performance, the methods of data-gathering alongside historical perspectives on Harrison's clockmaking, that of his contemporaries, and some evaluation of the possible influence of early 18th century scientific thought.

Marine Chronometers at Greenwich

Author : Jonathan Betts
Publisher : Oxford University Press
ISBN 13 : 019151117X
Total Pages : 848 pages
Book Rating : 4.1/5 (915 download)

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Book Synopsis Marine Chronometers at Greenwich by : Jonathan Betts

Download or read book Marine Chronometers at Greenwich written by Jonathan Betts and published by Oxford University Press. This book was released on 2018-01-03 with total page 848 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Marine Chronometers at Greenwich is the fifth, and largest, of the distinguished series of catalogues of instruments in the collections of the National Maritime Museum. Housed at the Royal Observatory Greenwich — the 'home of time' and the Prime Meridian of the world — this extraordinary collection, which includes the celebrated marine timekeepers by John Harrison (1693-1776), is generally considered to be the finest of its kind in existence. The book is however much more than just a catalogue, and includes an accessible and engaging history of the chronometer, revealing why these instruments were important in our scientific and cultural history, and explaining, in simple terms, how they worked and were used. A comprehensive Glossary and Bibliography are included to ensure any technicalities are explained and that the reader has suggestions for useful 'further reading'. Over 480 photographs and illustrations, including many fine macro-photographs and line drawings, illustrate the 'jewel-like' beauty of the chronometer's construction and explain the function and subtleties of its mechanism. A chapter on 'How the Chronometer was Made', describes the fine sub-division of labour used to create these special machines, from bare metal, right up to delivery on board ship, and brief biographies of the makers tell the human story behind this important nineteenth-century industry. Another chapter, 'The Evolution of the Chronometer', aimed at collectors, historians and curators, provides clearly structured information on assessing and dating the chronometer, something many find difficult. And, for the dedicated specialist, there is extensive tabulated data on the technical structure of this important collection, a unique resource for future research.

Time and Navigation

Author : Andrew Kenneth Johnston
Publisher :
ISBN 13 : 1588344916
Total Pages : 225 pages
Book Rating : 4.5/5 (883 download)

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Book Synopsis Time and Navigation by : Andrew Kenneth Johnston

Download or read book Time and Navigation written by Andrew Kenneth Johnston and published by . This book was released on 2015 with total page 225 pages. Available in PDF, EPUB and Kindle. Book excerpt: If you want to know where you are, you need a good clock. The surprising connection between time and placeais explored inaTime and Navigation- The Untold Story of Getting from Here to There, the companion book to the National Air and Space Museum exhibition of the same name. Today we use smartphones and GPS, but navigating has not always been so easy. The oldest "clock" is Earth itself, and the oldest means of keeping time came from observing changes in the sky. Early mariners like the Vikings accomplished amazing feats of navigation without using clocks at all. Pioneering seafarers in the Age of Exploration used dead reckoning and celestial navigation; later innovations such as sextants and marine chronometers honed these techniques by measuring latitude and longitude. When explorers turned their sights to the skies, they built on what had been learned at sea. For example, Charles Lindbergh used a bubble sextant on his record-breaking flights. World War II led to the development of new flight technologies, notably radio navigation, since celestial navigation was not suited for all-weather military operations. These forms of navigation were extended and enhanced when explorers began guiding spacecraft into space and across the solar system. Astronauts combined celestial navigation technology with radio transmissions. The development of the atomic clock revolutionized space flight because it could measure billionths of a second, thereby allowing mission teams to navigate more accurately. Scientists and engineers applied these technologies to navigation on earth to develop space-based time and navigation services such as GPS that is used every day by people from all walks of life. While the history of navigation is one of constant change and innovation, it is also one of remarkable continuity. Time and Navigation tells the story of navigation to help us understand where we have been and how we got there so that we can understand where we are going.

Ships, Clocks, and Stars

Author : Richard Dunn
Publisher : Harper Collins
ISBN 13 : 0062357174
Total Pages : 601 pages
Book Rating : 4.0/5 (623 download)

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Book Synopsis Ships, Clocks, and Stars by : Richard Dunn

Download or read book Ships, Clocks, and Stars written by Richard Dunn and published by Harper Collins. This book was released on 2014-11-04 with total page 601 pages. Available in PDF, EPUB and Kindle. Book excerpt: A tale of eighteenth-century invention and competition, commerce and conflict, this is a lively, illustrated, and accurate chronicle of the search to solve “the longitude problem,” the question of how to determine a ship’s position at sea—and one that changed the history of mankind. Ships, Clocks, and Stars brings into focus one of our greatest scientific stories: the search to accurately measure a ship’s position at sea. The incredible, illustrated volume reveals why longitude mattered to seafaring nations, illuminates the various solutions that were proposed and tested, and explores the invention that revolutionized human history and the man behind it, John Harrison. Here, too, are the voyages of Captain Cook that put these revolutionary navigational methods to the test. Filled with astronomers, inventors, politicians, seamen, and satirists, Ships, Clocks, and Stars explores the scientific, political, and commercial battles of the age, as well as the sailors, ships, and voyages that made it legend—from Matthew Flinders and George Vancouver to the voyages of the Bounty and the Beagle. Featuring more than 150 photographs specially commissioned from Britain’s National Maritime Museum, this evocative, detailed, and thoroughly fascinating history brings this age of exploration and enlightenment vividly to life.

The Quest for Longitude

Author : William J. H. Andrewes
Publisher : Collection of Historical Scientific Instruments
ISBN 13 :
Total Pages : 456 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis The Quest for Longitude by : William J. H. Andrewes

Download or read book The Quest for Longitude written by William J. H. Andrewes and published by Collection of Historical Scientific Instruments. This book was released on 1996 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Quest for Longitude is a book for students and for teachers, for collectors and for scholars, and for the thousands of people who, having enjoyed Sobel's Longitude, desire a well-illustrated reference that describes in detail the many fascinating devices and the intriguing characters who, by solving the ancient problem of finding longitude at sea, changed the world forever. 250 illustrations, 120 in color.

The Marine Chronometer

Author : Rupert Thomas Gould
Publisher :
ISBN 13 :
Total Pages : 456 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis The Marine Chronometer by : Rupert Thomas Gould

Download or read book The Marine Chronometer written by Rupert Thomas Gould and published by . This book was released on 1923 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Principles of Mr. Harrison's Time-keeper

Author : John Harrison
Publisher :
ISBN 13 :
Total Pages : 91 pages
Book Rating : 4.:/5 ( download)

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Book Synopsis The Principles of Mr. Harrison's Time-keeper by : John Harrison

Download or read book The Principles of Mr. Harrison's Time-keeper written by John Harrison and published by . This book was released on 1768 with total page 91 pages. Available in PDF, EPUB and Kindle. Book excerpt: Description of Harrison's chronometer which provided the technical means of solving the centuries old navigational problem of establishing longitude at sea.

Harrison

Author : Jonathan Betts
Publisher :
ISBN 13 : 9780948065811
Total Pages : 0 pages
Book Rating : 4.0/5 (658 download)

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Book Synopsis Harrison by : Jonathan Betts

Download or read book Harrison written by Jonathan Betts and published by . This book was released on 2007 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: "With more than sixty illustrations, including annotated diagrams of the workings of the clocks, this book provides insights into Harrison's life and his achievements, as well as a look at Rupert Gould, the man who restored Harrison's timekeepers in the inter-war years"--Jacket.

A Brief History of Timekeeping

Author : Chad Orzel
Publisher : BenBella Books
ISBN 13 : 1953295940
Total Pages : 305 pages
Book Rating : 4.9/5 (532 download)

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Book Synopsis A Brief History of Timekeeping by : Chad Orzel

Download or read book A Brief History of Timekeeping written by Chad Orzel and published by BenBella Books. This book was released on 2022-01-25 with total page 305 pages. Available in PDF, EPUB and Kindle. Book excerpt: 2022 NATIONAL INDIE EXCELLENCE AWARDS WINNER — HISTORY: GENERAL ". . . inherently interesting, unique, and highly recommended addition to personal, professional, community, college, and academic library Physics of Time & Scientific Measurement history collections, and supplemental curriculum studies lists.” —Midwest Book Review "A wonderful look into understanding and recording time, Orzel’s latest is appropriate for all readers who are curious about those ticks and tocks that mark nearly every aspect of our lives." —Booklist “A thorough, enjoyable exploration of the history and science behind measuring time.” —Foreword Reviews It’s all a matter of time—literally. From the movements of the spheres to the slipperiness of relativity, the story of science unfolds through the fascinating history of humanity’s efforts to keep time. Our modern lives are ruled by clocks and watches, smartphone apps and calendar programs. While our gadgets may be new, however, the drive to measure and master time is anything but—and in A Brief History of Timekeeping, Chad Orzel traces the path from Stonehenge to your smartphone. Predating written language and marching on through human history, the desire for ever-better timekeeping has spurred technological innovation and sparked theories that radically reshaped our understanding of the universe and our place in it. Orzel, a physicist and the bestselling author of Breakfast with Einstein and How to Teach Quantum Physics to Your Dog continues his tradition of demystifying thorny scientific concepts by using the clocks and calendars central to our everyday activities as a jumping-off point to explore the science underlying the ways we keep track of our time. Ancient solstice markers (which still work perfectly 5,000 years later) depend on the basic astrophysics of our solar system; mechanical clocks owe their development to Newtonian physics; and the ultra-precise atomic timekeeping that enables GPS hinges on the predictable oddities of quantum mechanics. Along the way, Orzel visits the delicate negotiations involved in Gregorian calendar reform, the intricate and entirely unique system employed by the Maya, and how the problem of synchronizing clocks at different locations ultimately required us to abandon the idea of time as an absolute and universal quantity. Sharp and engaging, A Brief History of Timekeeping is a story not just about the science of sundials, sandglasses, and mechanical clocks, but also the politics of calendars and time zones, the philosophy of measurement, and the nature of space and time itself. For those interested in science, technology, or history, or anyone who’s ever wondered about the instruments that divide our days into moments: the time you spend reading this book may fly, and it is certain to be well spent.

The Marine Chronometer

Author : John Cronin
Publisher : Crowood Press (UK)
ISBN 13 : 9781847971852
Total Pages : 112 pages
Book Rating : 4.9/5 (718 download)

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Book Synopsis The Marine Chronometer by : John Cronin

Download or read book The Marine Chronometer written by John Cronin and published by Crowood Press (UK). This book was released on 2010 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt: Maritime chronometers are rare and precious items, crafted with care and precision, to provide an accurate means of measuring time and determining longitude at sea. Developed in the eighteenth century, these beautiful instruments were produced for the next two hundred years to the same design, and played a significant role in the growth of maritime trade, ultimately helping to shape the world as we know it today. In The Marine Chronometer, the author explains the workings of the chronometer and highlights some of the most significant makers and provides hints for maintenance. Topics covered include: -The problem of longitude -The early sea clocks -Developments in France and England -The mechanism of the chronometer -Caring for chronometers AUTHOR John Cronin studied horology at Bradford Technical College, where he was awarded a gold medal and a British Horological Institute prize for the national exams, before being elected to Fellowship of the Institute. John was the winner of the 1994 Artist Craftsman competition of the Worshipful Company of Clockmakers and is now closely involved with ICON [the Institute of Conservation]. He is one of just ten horologists who have gained accreditation with the institute as professional conservators, and is the only member specializing in chronometer work. SALES POINTS * Provides a comprehensive history of this intriguing piece of navigational equipment * An invaluable reference work for maritime history enthusiasts and clock collectors * Explains the working of the chronometer and provides hints for care and maintenance * Superbly illustrated with 146 colour photographs * John Cronin is a Fellow of the British Horological Institute and is one of only ten horologists with the Institute of Conservation ILLUSTRATIONS 146 colour photos *

John Harrison and His Timekeepers

Author : Rupert Thomas Gould
Publisher :
ISBN 13 :
Total Pages : 46 pages
Book Rating : 4.3/5 (2 download)

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Book Synopsis John Harrison and His Timekeepers by : Rupert Thomas Gould

Download or read book John Harrison and His Timekeepers written by Rupert Thomas Gould and published by . This book was released on 1935 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Illustrated Longitude

Author : Dava Sobel
Publisher : Paw Prints
ISBN 13 : 9781439559321
Total Pages : 0 pages
Book Rating : 4.5/5 (593 download)

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Book Synopsis The Illustrated Longitude by : Dava Sobel

Download or read book The Illustrated Longitude written by Dava Sobel and published by Paw Prints. This book was released on 2008-10-08 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: A new illustrated edition of the best-selling Longitude chronicles the tale of the eighteenth-century inventor John Harrison, who created the chronometer and, in the process, saved thousands of lives and great fortunes. Reprint.

Time and Time-tellers

Author : James W. Benson
Publisher :
ISBN 13 :
Total Pages : 208 pages
Book Rating : 4.R/5 (5 download)

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Book Synopsis Time and Time-tellers by : James W. Benson

Download or read book Time and Time-tellers written by James W. Benson and published by . This book was released on 1875 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Kendall's Longitude

Author : John Bendall
Publisher : Austin Macauley
ISBN 13 : 9781528920759
Total Pages : 0 pages
Book Rating : 4.9/5 (27 download)

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Book Synopsis Kendall's Longitude by : John Bendall

Download or read book Kendall's Longitude written by John Bendall and published by Austin Macauley. This book was released on 2019 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Maritime navigational tools could find latitude, but finding longitude remained elusive until Harrison developed the reliable sea clock, H4. Building on H4's success, Kendall made a series of nautical timekeepers, K1, K2 and K3. This is the story of the K2 timekeeper; its adventurous voyages, the people it touched, and its place in history. K2's first voyage, accompanied by the young Nelson, was nearly its last in the crushing Arctic ice. The next two expeditions saw it survive kidnappings, nautical intrigue, and gunpowder plots of the American revolutionary wars. The slave coasts of Africa followed. Bligh took K2 on the Bounty, but lost it in a fight with the mutineers in 1789. It was recovered by an American Quaker from Nantucket, only to be stolen by the Spanish. It rode on mules along the Andes before sailing into the Opium Wars. K2 finally returned to Greenwich in 1963. DRAMATIC, THREE NATION 'STORY OF TIME'