"The Mechanics of Mechanical Watches and Clocks" presents historical views and mathematical models of mechanical watches and clocks. Although now over six hundred years old, mechanical watches and clocks are still popular luxury items that fascinate many people around the world. However few have examined the theory of how they work as presented in this book. The illustrations and computer animations are unique and have never been published before.
It will be of significant interest to researchers in mechanical engineering, watchmakers and clockmakers, as well as people who have an engineering background and are interested in mechanical watches and clocks. It will also inspire people in other fields of science and technology, such as mechanical engineering and electronics engineering, to advance their designs.
Professor Ruxu Du works at the Chinese University of Hong Kong, China. Assistant Professor Longhan Xie works at the South China University of Technology, China.

Margaret Gatty (1809 1873) was an English writer best known for her researches on sundials and British seaweeds. After marrying the Rev. Alfred Gatty in 1839, she moved to Ecclesfield, Yorkshire, where she pursued her literary and scientific studies. This volume, first published in 1872, contains detailed descriptions of various styles of sundials, many taken from Gatty's own collection. Over 350 sundials from across Britain and Europe are described, and each sundial's location is noted in this work, which was one of the first popular books on the subject. Examples included range from portable sundials to early Saxon sundials, as well as the more familiar church sundials. This volume is one of Gatty's best known works, and remains a valuable reference for the various types of sundials and the variations and similarities in their mottoes. For more information on this author, see http: //orlando.cambridge.org/public/svPeople?person_id=gattma"

This book is a scholarly study of a virtually unknown aspect of the history of horology (timekeeping), compiled from Chinese and Japanese historical and literary records, some of which are translated and published here for the first time. Incense timekeepers played an important role in early Chinese social and technological history, in addition to their use for time measurement. They were used in temples for religious rites, in agricultural regions for regulating water for irrigation, in palaces and government offices, and in the studies of scholars. A fascinating compendium of knowledge about a neglected aspect of Oriental culture, this book will appeal not only to historians of China and Japan, but to the growing number of collectors and museum curators who are interested in incense clocks. It is illustrated with black and white halftones of a large number of the clocks, which are renowned for their beauty of design and quality of workmanship. The book also includes a catalogue of incense clocks which have appeared in auction houses and museums.

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 fundamental, new and original research.

'An utterly dazzling book, the best piece of history I have read for a long time' Jerry Brotton, author of A History of the World in Twelve Maps 'Not merely an horologist's delight, but an ingenious meditation on the nature and symbolism of time-keeping itself' Richard Holmes The measurement of time has always been essential to human civilization, from early Roman sundials to the advent of GPS. But while we have one eye on the time every day, are we aware of the power clocks have given governments, military leaders and business owners, and how they have shaped our lives and our world? In this spectacularly far-reaching book, David Rooney narrates a history of timekeeping and civilization in twelve concise chapters. Over their course, we meet the most epochal inventions in horological history, from medieval water clocks to Renaissance hourglasses, and from stock-exchange timestamps to satellites in Earth's orbit. We discover how clocks have helped people navigate the globe and build empires, but also, on occasion, taken us to the brink of destruction. This is the story of time, and the story of time is the story of us.

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.

This historical overview of the various styles of American shelf and wall clocks covers the centuries and gives visual pleasure every step of the way. The original owners of these clocks were interested as much in how they looked as in how they told time, so they are quite attractive and are good examples of the cabinet maker's art. The collector can acquire the majority of these beautiful clocks at relatively fair and modest prices, which makes them popular. Gathered from auction houses, museums, and private collections, over 1250 clocks are illustrated here in this newly revised and expanded second edition. Approximately one-third of the photographs are in color, with the remainder in clear black and white. Each is accompanied by an informative caption that will be great help to the reader. A newly updated value guide will be of invaluable assistance to the collector. In illustrating the early growth of the clock making industry in the United States, Mr. Ball has captured an important part of our history.

Learn the basic movements of a wrist watch and how to repair them on your own. Many of the earliest books, particularly those dating back to the 1900's and before, are now extremely scarce and increasingly expensive. We are republishing these classic works in affordable, high quality, modern editions, using the original text and artwork.

Timekeeping is an essential activity in the modern world and we take it for granted that our lives our shaped by the hours of the day. Yet what seems so ordinary today is actually the extraordinary outcome of centuries of technical innovation and circulation of ideas about time.
Shaping the Day is a pathbreaking study of the practice of timekeeping in England and Wales between 1300 and 1800. Drawing on many unique historical sources, ranging from personal diaries to housekeeping manuals, Paul Glennie and Nigel Thrift illustrate how a particular kind of common sense about time came into being, and how it developed during this period.
Many remarkable figures make their appearance, ranging from the well-known, such as Edmund Halley, Samuel Pepys, and John Harrison, who solved the problem of longitude, to less familiar characters, including sailors, gamblers, and burglars.
Overturning many common perceptions of the past-for example, that clock time and the industrial revolution were intimately related-this unique historical study engages all readers interested in how 'telling the time' has come to dominate our way of life.

Presents step-by-step instructions for making a sundial which will illustrate concepts regarding the interrelation of the sun, the earth's rotation, and time.

"A Chronometer is a precision watch, which is regulated in various positions and at different temperatures and has received a certificate to that effect." This definition of a chronometer was formulated in 1951 by the Organization of Swiss Watch Manufacturers. This book gives a detailed account of chronometer testing for wristwatches in Europe, with information about testing methods, procedures, and guidelines. as well as participating makers based on Swiss Testing Agencies' yearly reports from 1925 and the Swiss Observatories' reports kept between 1941 and 1967. More than 60 chronometer wristwatches by known makers are discussed, as well as their tests. Types of errors and their possible causes will be pinpointed. Practical chronometer testing will be taught, as will the differences between chronometer and non-chronometer wristwatches from various European countries. In addition to the many photographs in the illustration section, a register listing more than 300 Swiss watch manufacturers who made chronometer wristwatches will be very useful. The reader also receives hints about fakes and forgeries.

Forewords by Jean-Claude Biver (CEO of Tag Heuer) and Aurel Bacs (Christie's and Phillips auctioneers). This breathtaking book explores more than 50 of the rarest watches in the world, including unique examples of which only a single model exists. From watches that have set new records in auction houses, to feats of modern technology and engineering, via iconic models worn by figures such as Elvis Presley and James Bond, this book appeals to professionals, collectors and amateurs alike. The photography in this book is published in collaboration with high-end auction houses and watch manufacturers, displaying some of the rarest, most expensive and sought-after watches in the world in incredible detail.

The art of tracking time has been evidenced for over 300 years in the Black Forest area of Germany. Cuckoo and singing bird clocks, early glass bell, trumpeter, Jockele, animation, and picture frame clocks all have in the Black Forest area by skilled clockmakers who have transformed the function of time into a true form of art through their clocks. Rick Ortenburger's important new study traces the development of this fascinating Black Forest clock industry between about 1700 and 1930. He provides useful information that will meet the collectors' need and increase the appreciation of the beautiful craft these clocks represent. Photographs in color and black and white of 600 different examples make the industry's evolution from early cottage farm houses to the later development of factories come to life.

The public spaces and buildings of the United States are home to many thousands of timepieces--bells, time balls, and clock faces--that tower over urban streets, peek out from lobbies, and gleam in store windows. And in the streets and squares beneath them, men, women, and children wear wristwatches of all kinds. Americans have decorated their homes with clocks and included them in their poetry, sermons, stories, and songs. And as political instruments, social tools, and cultural symbols, these personal and public timekeepers have enjoyed a broad currency in art, life, and culture. In Marking Modern Times, Alexis McCrossen relates how the American preoccupation with time led people from across social classes to acquire watches and clocks. While noting the difficulties in regulating and synchronizing so many timepieces, McCrossen expands our understanding of the development of modern time discipline, delving into the ways we have standardized time and describing how timekeepers have served as political, social, and cultural tools in a society that doesn't merely value time but regards access to time as a natural-born right, a privilege of being an American.

All in Good Time is the remarkable story of George Daniels (1926-2011), the master craftsman, who was born into poverty but raised himself to become the greatest watchmaker of the twentieth century. Daniels stands alone in modern times as the inventor of the revolutionary co-axial escapement, the first substantial advance in portable mechanical timekeeping over the lever escapement, which has dominated ever since its invention in 1759. Daniels's love of mechanics embraced not only the minute, however - he was also a passionate collector and driver of historic motorcars. This revised and expanded edition of his autobiography also contains a new section that illustrates and discusses over thirty of the pocket and wrist-watches Daniels himself made over the years. Witness here the triumph of intelligence, ingenuity, matchless skill and singularity of purpose over the most unpromising of beginnings.

The Jurgensen Dynasty represents four generations of extraordinary watchmakers working in two countries: Denmark and Switzerland. Urban Jurgensen (1776-1830) is perhaps the most renowned member of the family. He was among the most innovative personalities of the Danish Golden Age and internationally one of the most prominent watchmakers of his time. His contributions to the development of horology were significant and he was one of the first watchmakers and inventors to be recognised by the scientific establishment with his innovations in technology and science earning him a place in the Royal Danish Academy of science. In this manner, the book presents a broader cultural aspect of Danish history than the title at first suggests. It is a document of the art of watch-making, as it is still exercised by the continuing production of Urban Jurgensen & Sonner timepieces today.

The skeleton clock probably is the most fascinating of all clocks. It displays, by means of its fretted-out frame and lack of any protective case other than a glass dome, its inner-most workings. Therefore, this type of clock attracted the attention of some of the finest makers, particularly those working in France from circa 1760-1860 as it enabled them to display their skills so completely. It was for the same reason that it was popular with their wealthy clients, who could show off their latest acquisitions so perfectly. A typical example of this is an amazing clock made by Sarton for the Duke of Lorraine, the dial of which swings to and fro so that wherever you are sitting in the room you can see it clearly. Other examples are the glass-plated clocks which apparently have no frame and often go for six months at a single winding, and clocks which show not only the time but also such things as day, date, month, moons, age and phases, sunrise and sunset, the time in other world locations, and even the equation of time(i.e. the difference between the sun's and our time). Many of these are more than clocks-they are great works of art. Numerous examples, including the products of countries such as France, Holland, Austria, and America are included and fully illustrated, frequently in color, in this book. There is a chapter on modern skeleton clocks that shows that fine clockmaking still is very much alive and well. The fascinating information on skeleton clocks made in America is the first full account to be published in over a decade.

CHRONOMETERS - Marine and pocket chronometers, pocket watches with tourbillons or carousels form, in the large family of clocks, a small group of very precisely running timepieces with little sensitivity to external influences, such as variations in temperature. In the text, the author takes up the fascinating development and history of the chronometer, portrays the most important manufactures in short biographies, and reports on the great voyages of discovery in the 18th Century that proved the utility of the chronometer as a navigational instrument. The illustration section, divided into five sections on the basis of historical and technical standpoints, portays some 350 items in the antique trade and at auctions or seen in private collections, with special emphasis placed on illustrations of their movements.

The pendulum: a case study in physics is a unique book in several ways. Firstly, it is a comprehensive quantitative study of one physical system, the pendulum, from the viewpoint of elementary and more advanced classical physics, modern chaotic dynamics, and quantum mechanics. In addition, coupled pendulums and pendulum analogs of superconducting devices are also discussed. Secondly, this book treats the physics of the pendulum within a historical and cultural context, showing, for example, that the pendulum has been intimately connected with studies of the earth's density, the earth's motion, and timekeeping. While primarily a physics book, the work provides significant added interest through the use of relevant cultural and historical vignettes. This approach offers an alternative to the usual modern physics courses. The text is amply illustrated and augmented by exercises at the end of each chapter.