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My Own Right Time: An Exploration of Clockwork Design (Anglais) Relié – 7 septembre 1995


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Descriptions du produit

Revue de presse

`... a splendid account... clear and simple words...' Nature, 2 November 1995

fascinating reading for the horologist who is not totally immersed in traditional designs and concepts ... This is without doubt a book that will be appreciated by the horologist with an interest in precision timekeeping, who wishes to be led through the mathematical and scientific theory of the subject in an informative and stimulating manner. It could open new vistas to those who have to date not given serious thought to this aspect of horology. (Rita Shenton, Clocks, Vol. 18, October 1995)

a story of an obsession. How accurately can a swinging pendulum be made to keep time? This problem led the author to construct several unique clocks, with astonsihing reults. The delicate and scrupulous operations necessary are illustrated by exquisite drawings. (New Scientist)

he manages in clear and simple words to describe the main types of escapement mechanisms in clockwork right to the latest developments in mechanical art ... we have here a study of great depth of the problems of how to overcome the generally non-conservative damping forces we meet in practice (Paul Foulkes, Nature, Vol. 378, November 1995)

REading this book, one comes to share Woodward's folly: in a fine clock, his story shows, the clockmaker's pulse beats as strongly as the impersonal drum-beat of time. (The Sciences)

believe me, this book is exciting.... (NAWCC Bulletin)

...Woodward is a retired professional mathematician with a most unusual talent - he can make his work understandable. This he has achieved not only by his clarity of expression and precision of language, but also by his carfeul use of analogies and excellently presented and captioned figures. (NAWCC Bulletin)

...this book should become one of those relatively few texts which become classics in their field (NAWCC Bulletin)

Présentation de l'éditeur

The pendulum is a constant source of interest to scientists. Great and well-known inventors such as Galileo, Huygens, and Kelvin all devised mechanisms to maintain its even oscillations. Others such as John Harrison, Lord Grimthorpe, and William Shortt are known only in horological circles but contributed as much or more over three centuries. By writing a personal account of his own inventions and achievements in horology the author involves the reader in the history of precision time-keeping before the advent of atomic clocks and the quartz chip. Escapements, the mechanisms that drive pendulums, are a delight to the geometrical mind as well as a delicate and subtle challenge to the mechanical engineer. In their most refined form pendulum clocks not only keep astonishingly accurate time they are also sensitive enough to detect the ebb and flow of tides and even the ceaseless quivering of the Earth itself. Philip Woodward's deep knowledge of and passion for time-keeping mechanisms is evident throughout this highly readable and fascinating account of precision horology.


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Amazon.com: 3 commentaires
7 internautes sur 7 ont trouvé ce commentaire utile 
A gem 19 janvier 1999
Par Danny Hillis - Publié sur Amazon.com
Format: Relié
This is the story of a quest to build a perfect clock (he does come pretty close). It offers a rare glimpse into the private process of creative design.
6 internautes sur 6 ont trouvé ce commentaire utile 
Inspiring - Real Insights into Horology 29 janvier 2000
Par Fortunat Mueller-maerki - Publié sur Amazon.com
Format: Relié
Philip Woodward takes the reader through both his thinking process and his mechanical trials to design and build the perfect clock.
A must read for every horologist. Writen lije a novel, but containing the information of a first r5ate textbook on horological science.
Unusual approach to precision timekeepers 5 mars 2013
Par Traveler - Publié sur Amazon.com
Format: Relié Achat vérifié
The author combines his personal accounts with horology with a mathematical and practical approach to mechanical clocks of the highest precision. Recommended.
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