August 2004 Maintaining Power.

Details 

Maintaining power is an approach used to prevent the loss of torque to a movement during winding. Maintaining power is normally incorporated into a weight driven regulator which is intended to be an accurate timepiece. The clock movement including maintaining power, which will be discussed by this article, is from the Seth Thomas #2 Regulator.
by Edwin U. Sowers III

August 2004 Micro Electro Mechanical Systems for Watches.

Details 

In order to make new mechanical watch movements possible as well as adding new functions to wristwatches,micro electro mechanical systems and silicon micromachining have become indispensable technologies in the watch industries. This article provides a brief overview of some recent commercialized technologies in Switzerland.

Published courtesy of Société Suisse de Chronométrie, Bulletin 45, April 2004

August 2004 New Bushing System.

Details 

The tools shown in these articles form the class work for: Using the Center Lathe for Clockmaking Tools #1. This new system of bushing was designed by Laurie Penman and developed at the AWCI in Harrison.

August 2004 Questions & Answers.

Details 

Jeweler's regulator, also known as a watchmaker's regulator and a scientific regulator, is a true regulator with a pin wheel escapement and a true, functional gridiron pendulum.
by David Christianson
[Article also contains Response to Q&A, April 2004, page 4, about the National Time Recorder, by Bernie Pollack, President, Industrial Time Recorder Chapter 175 NAWCC.]

August 2004 Servicing a Platform: The Basics.

Details 

Part 3: "Final Assembly", "Final Oiling", "Setting the Beat", "The Regulator Pins", "A few things beyond basic service that should be considered when restoring a platform", and "Sources".
by David J. LaBounty

August 2004 The Modern German Clock Movement.

Details 

Mounting Brackets: Aligning Those Pesky Devils - part 46
by Mark Butterworth

August 2005 Girard-Perregaux.

Details 

A Silent Revolution: Girard-Perregaux is the second-oldest watch manufactory in Switzerland and thus often attributed as a "classic" maker. This is certainly a strong part of the brand's DNA, yet reducing the brand to its history would miss a significant facet. Girard-Perregaux often proven to be on the forefront of innovation. Sometimes a revolution is silent and goes unnoticed, yet representing an important improvement. This article presents construction details of Girard-Perregaux's ceramic ball bearing for the central rotor.
© May 2005 Peter Conrad and ThePuristS.com

August 2006 Girard-Perregaux World Time Tourbillon.

Details 

Girard-Perregaux World Time Tourbillon Ref. 99350
by Ron DeCorte

August 2007 Adolf Simon's Glashuette School Watch.

Details 

Adolf Simon’s school watch was donated to the timepiece collection of the American Watchmakers-Clockmakers Institute. The history of the watch is discussed.
by David Christianson

August 2007 The Girard-Perregaux Vintage 1945 Large Date Moon Phase.

Details 

The Girard-Perregaux Vintage 1945 Large Date Moon Phase feature shows the case, dial, hands, calendar mechanism, dial train, keyless works and much more.
by John Davis