Chronometer Makers Of The World

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Chronometer Makers Of The World

Author : Tony Mercer
ISBN : 0719803403
Genre : Antiques & Collectibles
File Size : 26.77 MB
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The development of the marine chronometer is irrevocably linked to the intense rivalry and war among the British, French, Dutch and Spanish in the seventeenth and eighteenth centuries for domination of the seas to protect their trading vessels and expand their empires. Every ship's captain had the same problem: at sea, he could not establish his position within hundreds of miles to the east or west. The best solution seemed to be a clock to calculate how much the Earth had turned and thus accurately to establish longitude. It would have to be as accurate on a pitching and tossing sailing ship as a precision pendulum clock on shore. Each nation offered inducements to inventors. In 1714, the British government put up prizes totalling GBP45,000, worth over GBP2 million today. The sum of GBP20,000 was eventually won by a Yorkshire clockmaking genius, John Harrison, whose first trade was carpentry. Over the years that followed, marine chronometers were developed and produced in large numbers. They are all collectors' items today. For many years, Tony Mercer, grandson of the most enduring English maker, has studied and collected a huge amount of information about these remarkable instruments that enabled explorers and the Royal Navy to map the world, the Navy to police it, and merchant venturers to sail in relative safety. It would not be an exaggeration to say that the chronometer was one of the foundation stones of the British Empire. The purpose of the chronometer is reviewed largely as a navigational aid for ocean-going vessels, but also for survey, medical and other activities calling for precise time measurement. A complete chapter is devoted to John Harrison, rightly described as maker extraordinary, giving a fascinating insight into his herculean efforts to produce a timekeeper that would satisfy all the requirements of the Commissioners of Longitude. Other great makers including John Arnold, Thomas Earnshaw, Le Roy, Berthoud, Frodsham, Dent, Kullberg and Tom Mercer are acknowledged for their evolutionary skills. Representative examples of chronometers and deck watches by international makers - from the earliest known to contemporary instruments - are illustrated in both colour and black and white. A comprehensive list of makers and craftsmen brings together details of men who worked in the industry, their places of work and dates and serial numbers for their instruments. There is also an extensive bibliography.
Category: Antiques & Collectibles

Instruments Of Science

Author : Nmsi Trading Ltd
ISBN : 0815315619
Genre : Science
File Size : 26.37 MB
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This authoritative reference covers 325 scientific instruments ranging from antiquity to the present, and from the mundane to the highly sophisticated. Entries explain how they work and trace their invention, development, distribution and use. Fully illustrated and complete with bibliographies, it will be particularly useful to students and scholars of modern science and technology. Reflecting contemporary practice, it examines instruments used for testing and monitoring, as well as those used for research, and even considers a number of widely used laboratory organisms (such as drosophila and e.coli) as instruments.
Category: Science

An Encyclopaedia Of Famous Clock And Watchmakers Details Of Famous And World Renowned Watch And Clock Makers

Author : Anon.
ISBN : 9781473380509
Genre : Technology & Engineering
File Size : 90.38 MB
Format : PDF
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This little book contains an alphabetical list of world famous watch and clock makers. Each entry signifies the period when the person referred to was connected with the Clockmaker's Company, or known to be in business, or when some example of their work was made. Following the names and addresses of some makers is a description of their work which has been met with, or of some invention or distinguishing trait.
Category: Technology & Engineering

Mercer Chronometers

Author : Tony Mercer
ISBN : STANFORD:36105111830068
Genre : Chronometers
File Size : 31.92 MB
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Category: Chronometers

Global Ocean Of Knowledge 1660 1860

Author : Karel Davids
ISBN : 9781350142152
Genre : History
File Size : 43.11 MB
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This book looks to fill the 'blue hole' in Global History by studying the role of the oceans themselves in the creation, development, reproduction and adaptation of knowledge across the Atlantic world. It shows how globalisation and the growth of maritime knowledge served to reinforce one another, and demonstrates how and why maritime history should be put firmly at the heart of global history. Exploring the dynamics of globalisation, knowledge-making and European expansion, Global Ocean of Knowledge takes a transnational approach and transgresses the traditional border between the early modern and modern periods. It focuses on three main periodisations, which correspond with major transformations in the globalisation of the Atlantic World, and analyses how and to what extent globalisation forces from above and from below influenced the development and exchange of knowledge. Davids distinguishes three forms of globalising forces 'from above'; imperial, commercial and religious, alongside self-organisation, the globalising force 'from below'. Exploring how globalisation advanced and its relationship with knowledge changed over time, this book bridges global, maritime, intellectual and economic history to reflect on the role of the oceans in making the world a more connected place.
Category: History

Marine Chronometers At Greenwich

Author : Jonathan Betts
ISBN : 9780199641383
Genre : Antiques & Collectibles
File Size : 83.36 MB
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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.
Category: Antiques & Collectibles

The Nautical Magazine And Naval Chronicle For 1860

Author : Various
ISBN : 9781108054515
Genre : History
File Size : 38.87 MB
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The 1860 Nautical Magazine includes articles on Japan, the Panama Railroad, the transatlantic cable, the Haj and a solar eclipse.
Category: History

World S Work

Author : Henry Norman
ISBN : HARVARD:32044036315380
Genre :
File Size : 64.29 MB
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Astronomical Notes

Author :
ISBN : CHI:095507770
Genre : Astronomy
File Size : 44.77 MB
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Category: Astronomy

The Mapmakers Quest Depicting New Worlds In Renaissance Europe

Author : David Buisseret
ISBN : 9780191500909
Genre : History
File Size : 70.86 MB
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In 1400 Europe was behind large parts of the world in its understanding of the use of maps. For instance, the people gf China and of Japan were considerably more advanced in this respect. And yet, by 1600 the Europeans had come to use maps for a huge variety of tasks, and were far ahead of the rest of the world in their appreciation of the power and use of cartography. The Mapmakers' Quest seeks to understand this development - not only to tease out the strands of thought and practice which led to the use of maps, but also to assess the ways in which such use affected European societies and economies. Taking as a starting point the question of why there were so few maps in Europe in 1400 and so many by 1650, the book explores the reasons for this and its implications for European history. It examines, inter al, how mapping and military technology advanced in tandem, how modern states' territories were mapped and borders drawn up, the role of maps in shaping the urban environment, and cartography's links to the new sciences.
Category: History

The Last Lost World

Author : Lydia Pyne
ISBN : 9781101583685
Genre : Science
File Size : 73.52 MB
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An enlightening investigation of the Pleistocene’s dual character as a geologic time—and as a cultural idea The Pleistocene is the epoch of geologic time closest to our own. It’s a time of ice ages, global migrations, and mass extinctions—of woolly rhinos, mammoths, giant ground sloths, and not least early species of Homo. It’s the world that created ours. But outside that environmental story there exists a parallel narrative that describes how our ideas about the Pleistocene have emerged. This story explains the place of the Pleistocene in shaping intellectual culture, and the role of a rapidly evolving culture in creating the idea of the Pleistocene and in establishing its dimensions. This second story addresses how the epoch, its Earth-shaping events, and its creatures, both those that survived and those that disappeared, helped kindle new sciences and a new origins story as the sciences split from the humanities as a way of looking at the past. Ultimately, it is the story of how the dominant creature to emerge from the frost-and-fire world of the Pleistocene came to understand its place in the scheme of things. A remarkable synthesis of science and history, The Last Lost World describes the world that made our modern one.
Category: Science