Book Reviews

CATALOGING CHRONOGRAPHS Chronograph Wristwatches: To Stop Time, by Gerd R. Lang and Reinhard Meis. 246 pages. 200 illustrations. 1993. $79.95. (JCK Data Center CN-048) Here is probably the most comprehensive book-cataloging of wrist chronographs dating from the early part of this century. It's divided into six main sections including The Precision Chronograph, The Face of the Chronograph, The Technology of the Chronograph, The Chronograph Case and Illustrations. Also we find a caliber directory, bibliography, index and one-page price guide, showing values from $200 (SORNA) to $125,000 (Patek Philippe). The opening chapter on precision covers temperature compensation with various formulas and graphs, together with magnetism, amplitude control and compensation charts. A half-page concerns "How accurate is clocked time?" The Face of the Chronograph shows the many timing services t

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