Volume 139 no.11
The main feature this month, supported by a cover picture from the 'Eco-drive' range, is a brief history
of The Citizen Watch Company of Japan, which is now the world's biggest producer of finished watches.
Recent Trade Fairs in Vicenza, Italy, where IWC launched a completely new range of chronographs, and London,
are reported. There is also mention of an English Quaker clockmaker identified with a style of US tall
case clocks. In a possibly unique article Mike Harding confesses to a highly original way of 'matting
a dial, W D Brown describes a computer program for mainspring calculations and Dennis Harris looks at
Françoise Borgel, an early maker of screwed watch cases. Archie Perkins continues his series on jewelling,
John Robey provides useful tables of screw threads and C B Jones outlines an audacious design for a monumental
Millennium Clock designed to run for a thousand years on a single wind!
Table of Contents
377-379 Citizen: Much more than Time, Timothy Treffry
370-371 Confession of a Restorer, Mike Harding
371-372 Program for Mainspring Calculations, W D Brown
373-375 Francois Borgel Watch Case Maker 1856-1912, Dennis Harris
380-383 Replacing Jewels in Antique Watches, 3, Archie B Perkins
384-385 A 1000-year Clock for the Millenium, Charles Brandram Jones
386-388 Screw Threads, John Robey
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Copyright © 1997 UBR, Inc.
Abstract courtesy of Timothy Treffry, Editor. Data courtesy of BHI. Updated 21 Dec 1997 <clocks/bhi/hj/hj199711.html>