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Author: Laurie Penman
Publisher: Aztex Corporation
ISBN: 9780852428252
Category : Clock and watch makers
Languages : en
Pages : 125
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Book Description
Author: Laurie Penman
Publisher: Aztex Corporation
ISBN: 9780852428252
Category : Clock and watch makers
Languages : en
Pages : 125
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Book Description
Author: Peter Heimann
Publisher: Specialist Interest Model Books Limited
ISBN: 9781854862495
Category : Crafts & Hobbies
Languages : en
Pages : 144
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Book Description
Regulator Clock Construction describes the building of two different clock projects: an eight day regulator clock and a month going regulator clock and features full working drawings supported by detailed photographs and line drawings.
Author: Scott Alan Johnston
Publisher: McGill-Queen's Press - MQUP
ISBN: 0228009634
Category : Science
Languages : en
Pages : 304
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Book Description
Until the nineteenth century all time was local time. On foot or on horseback, it was impossible to travel fast enough to care that noon was a few minutes earlier or later from one town to the next. The invention of railways and telegraphs, however, created a newly interconnected world where suddenly the time differences between cities mattered. The Clocks Are Telling Lies is an exploration of why we tell time the way we do, demonstrating that organizing a new global time system was no simple task. Standard time, envisioned by railway engineers such as Sandford Fleming, clashed with universal time, promoted by astronomers. When both sides met in 1884 at the International Meridian Conference in Washington, DC, to debate the best way to organize time, disagreement abounded. If scientific and engineering experts could not agree, how would the public? Following some of the key players in the debate, Scott Johnston reveals how people dealt with the contradictions in global timekeeping in surprising ways – from zealots like Charles Piazzi Smyth, who campaigned for the Great Pyramid to serve as the prime meridian, to Maria Belville, who sold the time door to door in Victorian London, to Moraviantown and other Indigenous communities that used timekeeping to fight for autonomy. Drawing from a wide range of primary sources, The Clocks Are Telling Lies offers a thought-provoking narrative that centres people and politics, rather than technology, in the vibrant story of global time telling.
Author: Joseph Daniele
Publisher: Stackpole Books
ISBN: 9780811722322
Category : Art
Languages : en
Pages : 198
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Book Description
Includes the four basic types of clocks---plaque, shelf, wall, and tall case clocks. Plans, drawings, and photos included.
Author: James Smith Rudolph
Publisher: Harper Collins
ISBN: 0060910666
Category : Games & Activities
Languages : en
Pages : 44
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Book Description
Cut this book into 160 pieces, glue them together, and have a paper clock operated by weights that keeps perfect time and can be rewound and regulated.
Author: Laurie Penman
Publisher: Clockworks Press
ISBN: 9780952327042
Category : Clocks and watches
Languages : en
Pages : 248
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Book Description
Author: Robert J. Matthys
Publisher: OUP Oxford
ISBN: 9780191513688
Category : Technology & Engineering
Languages : en
Pages : 276
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Book Description
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.
Author: Sam Muller
Publisher: Naturegraph & Keven Brown Publications
ISBN: 9780879612467
Category : Antiques & Collectibles
Languages : en
Pages : 62
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Book Description
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.
Author: Laurie Penman
Publisher: Skyhorse Publishing Inc.
ISBN: 1602399611
Category : Antiques & Collectibles
Languages : en
Pages : 177
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Book Description
A how-to guide to diagnosing and correcting faults in clocks, antique and...
Author: Laurie Penman
Publisher:
ISBN: 9780713631487
Category : Clock and watch making
Languages : en
Pages : 144
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Book Description
