Repairing Mechanical Watches & Clocks
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Only Time Will Tell: Examination and Analysis of an Early German Watch
Article: Only time will tell: Examination and analysis of an early German watch Author(s): Meg Loew Craft Source: Objects Specialty Group Postprints, Volume Fourteen, 2007 Pages: 47-64 Compilers: Virginia Greene, Patricia Griffin, and Christine Del Re th © 2007 by The American Institute for Conservation of Historic & Artistic Works, 1156 15 Street NW, Suite 320, Washington, DC 20005. (202) 452-9545 www.conservation-us.org Under a licensing agreement, individual authors retain copyright to their work and extend publications rights to the American Institute for Conservation. Objects Specialty Group Postprints is published annually by the Objects Specialty Group (OSG) of the American Institute for Conservation of Historic & Artistic Works (AIC). A membership benefit of the Objects Specialty Group, Objects Specialty Group Postprints is mainly comprised of papers presented at OSG sessions at AIC Annual Meetings and is intended to inform and educate conservation-related disciplines. Papers presented in Objects Specialty Group Postprints, Volume Fourteen, 2007 have been edited for clarity and content but have not undergone a formal process of peer review. This publication is primarily intended for the members of the Objects Specialty Group of the American Institute for Conservation of Historic & Artistic Works. Responsibility for the methods and materials described herein rests solely with the authors, whose articles should not be considered official statements of the OSG or the AIC. The OSG is an approved division of the AIC but does not necessarily represent the AIC policy or opinions. Craft AIC Objects Specialty Group Postprints, Volume 14, 2007 ONLY TIME WILL TELL: EXAMINATION AND ANALYSIS OF AN EARLY GERMAN WATCH Meg Loew Craft Abstract The authenticity of a small early German watch (WAM 58.31) in the collection of the Walters Art Museum was questioned. -
The History of Watches
Alan Costa 18 January, 1998 Page : 1 The History of Watches THE HISTORY OF WATCHES ................................................................................................................ 1 OVERVIEW AND INTENT ........................................................................................................................ 2 PRIOR TO 1600 – THE EARLIEST WATCHES ..................................................................................... 3 1600-1675 - THE AGE OF DECORATION ............................................................................................... 4 1675 – 1700 – THE BALANCE SPRING ................................................................................................... 5 1700-1775 – STEADY PROGRESS ............................................................................................................ 6 1775-1830 - THE FIRST CHRONOMETERS ........................................................................................... 8 1830-1900 – THE ERA OF COMPLICATIONS ..................................................................................... 10 1900 ONWARDS – METALLURGY TO THE RESCUE? .................................................................... 12 BIBLIOGRAPHY ....................................................................................................................................... 15 Alan Costa 18 January, 1998 Page : 2 Overview and Intent This paper is a literature study that discusses the changes that have occurred in watches over time. It covers mainly -
Geometry-Based Simulation of Mechanical Movements and Virtual Library
Geometry-Based Simulation of Mechanical Movements and Virtual Library TAM, Lam Chi A Thesis Submitted in Partial Fulfilment of the Requirements for the Degree of Master of Philosophy in Automation and Computer-Aided Engineering © The Chinese University of Hong Kong August 2008 The Chinese University of Hong Kong holds the copyright of this thesis. Any person(s) intending to use a part or a whole of the materials in the thesis in a proposed publication must seek copyright release from the Dean of the Graduate School. Ayvyai^A Thesis/ Assessment Committee Professor Hui,Kin Chuen (Chair) Professor Du, Ruxu (Thesis Supervisor) Professor Kong, Ching Tom (Thesis Co-supervisor) Professor Wang, Chang Ling Charlie (Committee Member) Professor Y. H. Chen (External Examiner) Abstract Abstract Mechanical timepiece is an intricate precision engineering device. Invented some four hundred years ago, mechanical timepieces, including watches and clocks, are fascinating gadgets that still attract millions of people around the world today. Though, few understand the working of these engineering marvels. This thesis presents a Virtual Library of Mechanical Timepieces. The Virtual Library is an online database containing different kinds of mechanisms used in mechanical watches / clocks. It uses 3-dimension (3D) Computer-Aided Design (CAD) models to demonstrate the working of these mechanisms. The Virtual Library provides an educational tool for various people who are interested to mechanical timepieces, including engineering students (university students and vocational school students), watchmakers, designers, and collectors. In addition, the CAD models are drawn to exact dimension. As a result, it can be used by watchmakers to validate their designs. -
The Origins of Self-Winding Watches
THE ORIGINS OF SELF-WINDING WATCHES 1773 - 1779 RICHARD WATKINS © Copyright 2013 Richard Watkins All rights reserved. This book or any portion thereof may not be reproduced or used in any manner whatsoever without the express written permission of the publisher except for the use of brief quotations in a book review or for research. Published by: Richard Watkins www.watkinsr.id.au Printed in the Australia by: Ligare ligare.com.au Limited edition of 100 copies Cover photograph: Courtesy of the Musée d’horlogerie du Locle, Château des Monts, Le Locle, Switzerland. Contents 1: Prelude ..................................................1 1.1: The History of a History. 1 1.2: The Structure of the Book ...............................5 1.3: The Concept of a Self-Winding Mechanism .................6 1.4: Four General Principles and Some Terms ..................6 1.5: Clockwise and Anti-clockwise Motion. .8 1.6: Acknowledgements .....................................9 2: A Credible History. .11 3: Early Watches Before 1773 .................................13 3.1: Before 1750 ..........................................13 3.2: A 1750 Watch ........................................17 4: German and Austrian Makers ..............................19 4.1: A Few Hints .........................................19 4.2: Joseph Tlustos .......................................20 4.3: Joseph Thustas .......................................23 4.4: Joseph Gallmayr (1716-1790) ...........................24 4.5: Forrer ..............................................30 5: -
Horological'm TIMES January 2008
HoROLOGICAL'M TIMES January 2008 American Watchmakers-Clockmakers Institute For the Latest in Watchmaker's Tools & Parts .Jittrel visit @www.JulesBorel.com, click on products .Jittl•el ~e~\ Bergeon Heavy Duty Case Opener Knife The bigger knurled handle allows for a good grip. The blades in this new style case knife opener are replaceable. Handle is gray in color. 0 BG6987 New Case Opener Knife $ 48.50 BERGEDN ~'e'l+J\ \~. · Horotec Large Opening Case Opener The small head allows easier access to the caseback without having to detach the bracelet. Fits newer larger cases up to a 55mm span. Large black handle with an overall length of 7.5 inches. CO-M013 New 2-prong Opener $ 99.50 Bergeon Set of 5 Pin Removers Now you can have to size you need handy without having to swap pins. Five stainless steel handles with black elastomer grips each of a different size. Includes sizes .70, .80, .90, 1.00, 1.20mm. Three extra blades in individual storage BERGEDNe tubes. The size is etched into each tool for easy identification. Swiss. BG6988 Pin Remover Set $ 122.00 ~e\N\ Bergeon Heavy-Duty 1 & 4 RPM Watch Winder This six arm, electric winder for automatic watches is super quiet. Capacity ranges from 18 to 36 watches, or up 8.8 lbs. total. Direction and the rotation speed of 1 or 4 RPM can be changed instantly at the flip of a toggle switch. Other adjustments such as length of time, weekly schedules, etc can be pro grammed. Various combinations of 6mm shaft arms are available. -
1996-05-Web.Pdf
RENATA WATCH BATTERIES ARE QUALITY "SWISS DMADE:' FRESHNESS DATED, AND TRUSTED BY THE BEST NAMES IN THE WATCH INDUSTRY - SEVERAL HUNDRED MILLION TIMES A YEAR. RENATA'S "New" Watch RENATA PRO-PACK and Battery Analyzer WATCH BATTERY ASSORTMENT Restock your watch batteries FAST and Buy now and also receive a FREE SAVE money' Order RENATA'S specially Victorinox Swiss quality pocket knife priced assortment of "200" popular batter with a special watch ies for only $79. 95 and receive RENATA's case opening blade . \ watch battery size selector, plastic tweezer, ProPack and new cross reference guide FREE. $79.95 THE RENATA Watch and Battery Analyzer is the smart and simple way to test analog quartz watches for mechanical defects and test for watch battery voltage. 19 TYPES 200 BATTERIES Watch Analyzer: The BWT94 'Watch Analyze1-'' feature allows you to find out w~h reasonable certainty and before Type# Quantity Type# Quantity actual~ opening up an analog quartz watch, tf the watch requires a battery change or a watch repair: 315 ' 5 373' .5 Watch Battery Tester: The BWT94 has two battery testing 317' . 5 377' 30 positions, Silver 1.55 Volt and Lithium 3.0Volt The Silver position 319. 5 379' 15 ts valid for testing both high and low dratn Stiver Oxide, Mercury and Alkaline button cells.The Lithium position ts valid for both 321. 5 384' .5 "CR" and' BR" Ltlhium 3.0Vo~ battet)' systems. 341. 5 394' .5 The RENATA watch and battery analyzer is based upon lhe 362' 15 395 ' 20 latest technology and is powered by a consumer 1-eplaceable CR2430 Lithium battery.This compact tester will automatical~ 364' 40 396' .5 shut itself off after 2 minutes. -
An Annotated Bibliography of Publications Since 1800
Mechanical Watches An Annotated Bibliography of publications since 1800 by Richard Watkins Second Edition Part 1 - Bibliography © Copyright, 2004, 2011, Richard Watkins Published in 2011 by Richard Watkins, Tasmania, Australia. Other translations, transcripts and books by Richard Watkins: Berner, G.A. and E. Audetat: Pierre Frederic Ingold 1787-1878, (1962) 2008 Berthoud, Ferdinand and Jacob Auch: How to make a verge watch, (1763 and 1827) 2005 (ISBN 0-9581369-6-3) (with E.J. Tyler) Borsendorff, L.: The history of a watch followed by a conversation on the horology industry between Mr Trottevite and Mr Vabien, (1869) 2007 (ISBN 978-0-9581369-9-0) Buffat, Eugene: History and design of the Roskopf watch, (1914) 2007 Camus, C.E.L. and J.I. Hawkins: A treatise on the Teeth of Wheels, (1837) 2007 (corrected version of the Google Book copy) Crespe, François: Essay on repeater watches, (1804) 2006 (ISBN 978-0-9581369-8-3) David, Jacques: American and swiss watchmaking in 1876, reports to the International Committee of Jura Industries on the manufacture of watches in the United States, (1877) 2003 (ISBN 0-9581369-2-0) Favre-Perret, E.: Philadelphia Exhibition 1876, report presented to the Federal High Council on the Horology Industry, (1877) 2004 Francillon, André: History of Longines preceded by an essay on the Agassiz comptoir, (1947) 2005 (ISBN 0-9581369-7-1) Graupmann, Emile: The finishing of the watch case, (1910) 2004 Grossmann, Moritz: Prize essay on the construction of a simple and mechanically perfect watch, (1880) 2002 (ISBN 0-9581369-0-4) -
The Jaeger-Lecoultre Master Ultrathin
HoROLOGICAL TIMES January 2004 American Watchmakers-Clockmakers Institute Master Crown ASSORTMENT Smaller Size Crowns for Quartz Watches SALE (Reg. Price $719) Assortment of 144 crowns. Includes two each of 72 types • Waterproof • Dustproof • Bracelet(Regular) -Diameters from 2.5mm to 4.0mm -Tap 10, 11, 12 -Yellow & White Screw Down Crown Pusher Crowns for ASSORTMENT Pocket Watches ~EsSlinger & C~o. Pusher-Type Crown Assorbnent #83.038 AIITap-10 Refills Available 8 Pes. An easy way to replace those hard to find threaded crowns. Each crown includes a friction case tube. Includes antique, square, and Includes eight crowns: 1 each 4.0mm, 4.5mm, 5.3mm modern styles. All are yellow, and 6.0mm in yellow and white. tap 10. 8-pieces total. Refills available. Pocket Watch Crown C tters Crown Kit Used to enlarge the opening on watch Plastic compartment box crowns. Set includes 3 contains 12 different sizes sizes: 2mm, 4mm, & 6mm. of popular type crowns. In yellow or white; refills available. #83.206 (Yellow) ..... ........ ................ .. ... .. .$1 9.95 #83.209 (White) .......... .... ......... .... ... ....... .$1 7. 95 ~ c ~~11 noer & Go national phone orders: fax orders (24 hrs): ~nl ~ .u ItS . 1-800-328-0205 1-800-548-9304 1165 Medallion Drive • Saint Paul, MN 55120 local phone orders: local fax: 80 Years Young-And Growing 651-452-7180 651-452-4298 VOLUME 28 HoROLOGICAL ~ NUMBER1 CONTENTS JANUARY 2004 TIMES An Official Publication of the American Watchmakers-Ciockmakers Institute FEATURE ARTICLES EDITORIAL & EXECUTIVE OFFICES The Jaeger-LeCoultre Master Ultrathin, By John Davis 12 AWl, 701 Enterprise Drive, Harrison, OH 45030 Phone: Toll Free 1-866-367-2924 or (513) 367-9800 Alarms of American Mantel Clocks, Part 2, By David J.