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Chronometer Makers of the World by Tony Mercer
  

Chronometer Makers of the World

Synopsis

Chronometer Makers of the World by Tony Mercer

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.

About the Author

Tony (F.A.) Mercer is the grandson of Thomas Mercer, the watch and chronometer maker of Liverpool, London and St Albans, who founded the family firm of Thomas Mercer Ltd which had a long illustrious history as a prolific maker of these instruments. Tony Mercer was born in St Albans, and was educated at Sedbergh School and the Ecole National d'Horologerie at Cluses, in Haute Savoie, France, where he learnt the skills of watch and clockmaking as well as toolmaking. While there he worked in all departments of the factory, including five years as a chronometer springer. During his working life he has been president and chairman of the British Horological Institute, Master of the Clockmaker's Company and chairman of the Watch and Clock Manufacturers' Association. At one time he was also chairman of the British Nautical Instrument Trade Association. He has written many articles and given lectures on the marine chronometer, and his earlier book, Mercer Chronometers: Radical Tom Mercer and the House He Founded, is still much sought after. Tony Mercer is now retired and lives in Cumbria.

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Book Info

Publication date

1st March 2004

Author

Tony Mercer

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Publisher

NAG Press an imprint of The Crowood Press Ltd

Format

Hardback
320 pages

Categories

Manufacturing industries

ISBN

9780719803406

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