Important Watches Wristwatches Clocks Marine Chronometers And Navigational Instruments

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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.

Essentiality to the National Defense of the Domestic Horological Industry

Author : United States. Congress. Senate. Committee on Armed Services
Publisher :
ISBN 13 :
Total Pages : 240 pages
Book Rating : 4.:/5 ( download)

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Book Synopsis Essentiality to the National Defense of the Domestic Horological Industry by : United States. Congress. Senate. Committee on Armed Services

Download or read book Essentiality to the National Defense of the Domestic Horological Industry written by United States. Congress. Senate. Committee on Armed Services and published by . This book was released on 1954 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Essentiality to the National Defense of the Domestic Horological Industry .. Hearings ... June 30, July 1 and 2, 1954

Author : United States. Congress. Senate. Committee on Armed Services
Publisher :
ISBN 13 :
Total Pages : 258 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Essentiality to the National Defense of the Domestic Horological Industry .. Hearings ... June 30, July 1 and 2, 1954 by : United States. Congress. Senate. Committee on Armed Services

Download or read book Essentiality to the National Defense of the Domestic Horological Industry .. Hearings ... June 30, July 1 and 2, 1954 written by United States. Congress. Senate. Committee on Armed Services and published by . This book was released on 1954 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Veterans' Social Security

Author : United States. Congress. Senate. Committee on Finance
Publisher :
ISBN 13 :
Total Pages : 1360 pages
Book Rating : 4.:/5 (51 download)

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Book Synopsis Veterans' Social Security by : United States. Congress. Senate. Committee on Finance

Download or read book Veterans' Social Security written by United States. Congress. Senate. Committee on Finance and published by . This book was released on 1946 with total page 1360 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Essentiality to the National Defense of the Domestic Horological Industry

Author : United States. Congress. Senate. Committee on Armed Services. Preparedness Investigating Subcommittee
Publisher :
ISBN 13 :
Total Pages : 240 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Essentiality to the National Defense of the Domestic Horological Industry by : United States. Congress. Senate. Committee on Armed Services. Preparedness Investigating Subcommittee

Download or read book Essentiality to the National Defense of the Domestic Horological Industry written by United States. Congress. Senate. Committee on Armed Services. Preparedness Investigating Subcommittee and published by . This book was released on 1954 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Art Now Gallery Guide

Author :
Publisher :
ISBN 13 :
Total Pages : 730 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Art Now Gallery Guide by :

Download or read book Art Now Gallery Guide written by and published by . This book was released on 1996 with total page 730 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Bulletin of the National Association of Watch and Clock Collectors

Author :
Publisher :
ISBN 13 :
Total Pages : 652 pages
Book Rating : 4.6/5 (151 download)

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Book Synopsis Bulletin of the National Association of Watch and Clock Collectors by :

Download or read book Bulletin of the National Association of Watch and Clock Collectors written by and published by . This book was released on 1969 with total page 652 pages. Available in PDF, EPUB and Kindle. Book excerpt:

American Horological Industry

Author : United States. Congress. Senate. Committee on Armed Services
Publisher :
ISBN 13 :
Total Pages : 386 pages
Book Rating : 4.0/5 (5 download)

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Book Synopsis American Horological Industry by : United States. Congress. Senate. Committee on Armed Services

Download or read book American Horological Industry written by United States. Congress. Senate. Committee on Armed Services and published by . This book was released on 1964 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt: Discusses the importance of the domestic watch industry to defense production. Includes. a. "A Manpower and Skill Study of the Jeweled-Lever Watch Industry," by DOL (Aug. 1957. p. 133-205). b. S. Rpt. 84-2629 on "Defense Essentiality and Foreign Economic Policy. Case Study: Watch Industry and Precision Skills," (July 18, 1956. p. 207-269).

1945 Extension of the Reciprocal Trade Agreements Act

Author : United States. Congress. Senate. Committee on Finance
Publisher :
ISBN 13 :
Total Pages : 652 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis 1945 Extension of the Reciprocal Trade Agreements Act by : United States. Congress. Senate. Committee on Finance

Download or read book 1945 Extension of the Reciprocal Trade Agreements Act written by United States. Congress. Senate. Committee on Finance and published by . This book was released on 1945 with total page 652 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Marine Navigation 1 : Piloting

Author : Richard R. Hobbs
Publisher : Springer Science & Business Media
ISBN 13 : 9401173702
Total Pages : 359 pages
Book Rating : 4.4/5 (11 download)

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Book Synopsis Marine Navigation 1 : Piloting by : Richard R. Hobbs

Download or read book Marine Navigation 1 : Piloting written by Richard R. Hobbs and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 359 pages. Available in PDF, EPUB and Kindle. Book excerpt: Throughout the history of warfare at sea, navigation has been an important basic determinant of victory. Occasionally, new members of the fraternity of the sea will look upon navigation as a chore to be tolerated only as long as it takes to find someone else to assume the responsibility. In my experience, such individuals never make good naval officers. Commander Hobbs has succeeded in bringing together the information and practical skills required for that individual who would take the first step down the road toward becoming a competent marine navigator. At the outset of this book, the author stresses the necessity for safe navigation, but there is another basic tenet of sea warfare that this book serves. The best weapons system man has ever devised cannot function effectively unless it knows where it is in relation to the real world, where it is in relation to the enemy, and where the enemy is in relation to the real world. Not all defeats can be attributed to this lack of information, but no victories have been won by those who did not know where they were.

1945 extension of the Reciprocal trade agreements act

Author : United States. Congress. House. Committee on Ways and Means
Publisher :
ISBN 13 :
Total Pages : 650 pages
Book Rating : 4.:/5 (45 download)

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Book Synopsis 1945 extension of the Reciprocal trade agreements act by : United States. Congress. House. Committee on Ways and Means

Download or read book 1945 extension of the Reciprocal trade agreements act written by United States. Congress. House. Committee on Ways and Means and published by . This book was released on 1945 with total page 650 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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.

American Horological Industry. Hearing ... 88-2 ... August 17, 1964

Author : United States. Congress. Senate. Armed Services
Publisher :
ISBN 13 :
Total Pages : 380 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis American Horological Industry. Hearing ... 88-2 ... August 17, 1964 by : United States. Congress. Senate. Armed Services

Download or read book American Horological Industry. Hearing ... 88-2 ... August 17, 1964 written by United States. Congress. Senate. Armed Services and published by . This book was released on 1964 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Congressional Record

Author : United States. Congress
Publisher :
ISBN 13 :
Total Pages : 1448 pages
Book Rating : 4.A/5 ( download)

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Book Synopsis Congressional Record by : United States. Congress

Download or read book Congressional Record written by United States. Congress and published by . This book was released on 1950 with total page 1448 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Congressional Record is the official record of the proceedings and debates of the United States Congress. It is published daily when Congress is in session. The Congressional Record began publication in 1873. Debates for sessions prior to 1873 are recorded in The Debates and Proceedings in the Congress of the United States (1789-1824), the Register of Debates in Congress (1824-1837), and the Congressional Globe (1833-1873)

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.

A General History of Horology

Author : Turner
Publisher : Oxford University Press
ISBN 13 : 0198863918
Total Pages : 777 pages
Book Rating : 4.1/5 (988 download)

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Book Synopsis A General History of Horology by : Turner

Download or read book A General History of Horology written by Turner and published by Oxford University Press. This book was released on 2022-02-02 with total page 777 pages. Available in PDF, EPUB and Kindle. Book excerpt: A General History of Horology describes instruments used for the finding and measurement of time from Antiquity to the 21st century. In geographical scope it ranges from East Asia to the Americas. The instruments described are set in their technical and social contexts, and there is also discussion of the literature, the historiography and the collecting of the subject. The book features the use of case studies to represent larger topics that cannot be completely covered in a single book. The international body of authors have endeavoured to offer a fully world-wide survey accessible to students, historians, collectors, and the general reader, based on a firm understanding of the technical basis of the subject. At the same time as the work offers a synthesis of current knowledge of the subject, it also incorporates the results of some fundamamental, new and original research.

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 *