The Science of Clocks and Watches

xiv, 393 pp. CONTENTS: Preface to the Third Edition; Preface to the First Edition; Prologue; Time and Its Measurement; Oscillatory Motion; The Pendulum; Dissipation of Energy by a Swinging Pendulum; Escapements and Other Impulse Devices; Electric Clocks and Watches; Escapement Errors; Balance-wheel Clocks and Watches; Isochronism of Balance-Wheel Movements; The Marine Chronometer; The Four-Hundred-Day-Clock; Gear Trains; Weights, Mainsprings, and Their Accessories; Friction and Lubrication; Striking Clocks; Perpetual Calendars; Synchronous Electric and Quartz Clocks; Measurement of Clock Performance; Appendix 1: Harmonic Motion in a Cycloidal Path and the Calculation of Circular Error; Appendix 2: The Linear Theory of Vibration; Appendix 3: Arthur L. Rawlings; Index.