£135.70

Oxford University Press Accurate Clock Pendulums

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Price History & Forecast

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Last 627 days • 627 data points (No recent data available)

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£142.50 £99.03 £108.51 £118.00 £127.48 £136.97 £146.45 10 June 2024 13 November 2024 19 April 2025 22 September 2025 26 February 2026

Price Distribution

Price distribution over 627 days • 7 price levels

Days at Price
Current Price
264 days 5 days 2 days 66 days 118 days · current 143 days 29 days 0 66 132 198 264 £103 £108 £113 £129 £136 £140 £143 Days at Price

Price Analysis

Most common price: £103 (264 days, 42.1%)

Price range: £103 - £143

Price levels: 7 different prices over 627 days

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.

Product Specifications

Format
hardcover
Domain
Amazon UK
Release Date
03 June 2004
Listed Since
12 December 2006

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