Accurate Clock Pendulums (Hardcover, New)

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.

General

Imprint:	Oxford UniversityPress
Country of origin:	United Kingdom
Release date:	June 2004
First published:	August 2004
Authors:	Robert J. Matthys
Dimensions:	256 x 196 x 20mm (L x W x T)
Format:	Hardcover
Pages:	280
Edition:	New
ISBN-13:	978-0-19-852971-2
Categories:	Books > Science & Mathematics > Science: general issues > History of science Books > Science & Mathematics > Physics > General Books > Professional & Technical > Technology: general issues > Instruments & instrumentation engineering > General Books > Professional & Technical > Mechanical engineering & materials > Materials science > General Promotions
LSN:	0-19-852971-6
Barcode:	9780198529712

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