Precision Pendulum Clocks
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Accurate Clock Pendulums
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Author : Robert J. Matthys
language : en
Publisher: OUP Oxford
Release Date : 2004-06-03
Accurate Clock Pendulums written by Robert J. Matthys and has been published by OUP Oxford this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-06-03 with Technology & Engineering categories.
The Shortt clock, made in the 1920s, is the most famous accurate clock pendulum ever known, having an accuracy of one second per year when kept at nearly constant temperature. Almost all of a pendulum clock's accuracy resides in its pendulum. If the pendulum is accurate, the clock will be accurate. In this book, the author describes many scientific aspects of pendulum design and operation in simple terms with experimental data, and little mathematics. It has been written, looking at all the different parts and aspects of the pendulum in great detail, chapter by chapter, reflecting the degree of attention necessary for making a pendulum run accurately. The topics covered include the dimensional stability of different pendulum materials, good and poor suspension spring designs, the design of mechanical joints and clamps, effect of quartz on accuracy, temperature compensation, air drag of different bob shapes and making a sinusoidal electromagnetic drive. One whole chapter is devoted to simple ways of improving the accuracy of ordinary low-cost pendulum clocks, which have a different construction compared to the more expensive designs of substantially well-made ones. This book will prove invaluable to anyone who wants to know how to make a more accurate pendulum or pendulum clock.
Precision Pendulum Clocks
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Author : Derek Roberts
language : en
Publisher: Schiffer Book for Collectors
Release Date : 2003
Precision Pendulum Clocks written by Derek Roberts and has been published by Schiffer Book for Collectors this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Antiques & Collectibles categories.
This beautiful book relates the incredible story of how leading clockmakers, primarily of England, struggled to control accurate timekeeping for over 300 years. A remarkably thorough yet concise text, by several of todays leading horologists, is accompanied by nearly 1,000 photographs of clocks, which demonstrate each fascinating development. From museums of international significance, as well as private collections worldwide, the best examples of each new invention to establish accurate time-keepers is illustrated and recorded here. Chapters are devoted to the Royal Observatory at Greenwich and many of the brilliant men of science who made instruments and provided timekeepers. Georgian, Regency, and Victorian advances are shown to have contributed to the eventual success of accurately measuring time, that is so crucial to the success of todays highly integrated society.
Precision Pendulum Clocks
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Author : Derek Roberts
language : en
Publisher: Schiffer Pub Limited
Release Date : 2004
Precision Pendulum Clocks written by Derek Roberts and has been published by Schiffer Pub Limited this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Antiques & Collectibles categories.
This volume chronicles the horological work carried out in France, Germany, and North America and completes the fascinating history of precision timekeeping in recent time. Over 500 beautiful color and black-and-white photographs illustrate the historical contributions of renowned clockmakers from France and Germany. America's contribution to precision timekeeping is chronicled along with recent advancements in precision pendulum timekeeping.
Precision Pendulum Clocks
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Author :
language : en
Publisher:
Release Date : 1986
Precision Pendulum Clocks written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with categories.
English Precision Pendulum Clocks
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Author : Derek Roberts
language : en
Publisher: Schiffer Book for Collectors
Release Date : 2003
English Precision Pendulum Clocks written by Derek Roberts and has been published by Schiffer Book for Collectors this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Crafts & Hobbies categories.
This fascinating look at precision time keeping in England is filled with over 700 photographs of historically significant regulators by some of the most well-known 18th and 19th century horologists: Shelton, Ellicott, Arnold, Cumming, Earnshaw, the Vulliamys, Reid, and Hardy. The development of the cases is also explored, from the early Georgian to classic Victorian styles. Concise, thorough text informs and engages the reader in the history of accurately measuring time.
Precision Pendulum Clocks
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Author : Myron Pleasure
language : en
Publisher:
Release Date : 1970
Precision Pendulum Clocks written by Myron Pleasure and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with categories.
Harrison Decoded
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Author : Rory McEvoy
language : en
Publisher: Oxford University Press
Release Date : 2020-04-27
Harrison Decoded written by Rory McEvoy and has been published by Oxford University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-04-27 with Technology & Engineering categories.
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.
Riefler Precision Pendulum Clocks
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Author : Callwey Verlag Munchen
language : en
Publisher:
Release Date :
Riefler Precision Pendulum Clocks written by Callwey Verlag Munchen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
An Exhibition Of Precision Pendulum Clocks
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Author : Derek Roberts Antiques
language : en
Publisher:
Release Date : 1986
An Exhibition Of Precision Pendulum Clocks written by Derek Roberts Antiques and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Longcase clocks categories.
An Electronically Maintained Precision Pendulum Clock
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Author : Douglas A. Bateman
language : en
Publisher:
Release Date : 1973
An Electronically Maintained Precision Pendulum Clock written by Douglas A. Bateman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with categories.