T. SNODGRASS RICHARD

Series Editor, Jim Gray

Senior Editor Diane D. Cerra

Director of Production & Manufacturing Yonie Overton

Production Editor Edward Wade

Editorial Coordinator Belinda Breyer

Cover Design Ross Carron Design

Cover Illustration Michael Bloomenfeld, AEC

Text Design Mark Ong, Side By Side Studios

Technical Illustration Cherie Plumlee

Composition Ed Sznyter, Babel Press

Copyeditor Ken DellaPenta

Proofreader Jennifer McClain

Indexer Steve Rath

Printer Courier Corporation

Chapter opener art based on illustrations from the following sources: Chapters 1, 12, and 13 from Brackin, A. J., Clocks: Chronicling Time, Encyclopedia of Discovery and Invention, Lucent Books, 1991; Chapters 2, 3, 4, 5, and 6 from Woodward, P., My Own Right Time: An Exploration of Clockwork Design, Oxford University Press, 1995; Chapters 7, 8, and 9 from Britton, F. J., The Escapements: Their Action, Construction, and Proportion, Geo. K. Hazlitt & Co., reprinted by Arlington Book Co, 1984; and Chapters 10 and 11 from Headrick, M. V., Clock and Watch Escapement Mechanics, self-published, 1997.

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