PUBLICATIONS
BOOKS
Antikythera Mechanism, 2014
Available for purchase on Amazon (Buy the book)
Pre-Pendulum European Renaissance Clocks, 2009
Available for purchase on Amazon (Buy the book)
Past Horology Lectures
Issues and Secrets of High-End Restoration, Special lecture as part of the Christie’s Patek Philippe Selling Exhibition,
New York City, July 2017
Pocket Watches at Winterthur (View online or Request a copy by emailing us)
Huygens's Marine Timepiece: (View online or Request a copy by emailing us)
Breguet Carriage Clocks Lecture - (View Online or Request a copy by emailing us)
Pocket Watches at Winterthur: How They Were Made, NAWCC Clock at Winterthurs, Winterthur Museum, Oct 6-8, 2016
"Watch Ebauches" Florida Regional, Kissimmee March 13-15, 2015
Practical Aspects of Watch Manufacturing Prior to 1850, International Symposium organized by Sotheby's, 1992
The History and Techniques of Horological Forgeries, Paris, Summer 1994
Modern Wrist Watches as an Investment, University Club, New York 1993
The Middle Temperature Error (regarding an obscure error in timing timepieces with bimetallic compensation balance)
Smithsonian Institution, Washington, DC, 1989
ARTICLES
Philip Poniz: High Frequencies in Depth – APR. 25, 2014 (PDF Version)
The Abbott/Guggenheim Collection- May 2015 (PDF Version)
Henry Voight, the Earliest American Watch Maker, British Horology Chapter, June 2011
Horological Fakes, National Association of Watch and Clock Collectors, 2010
Time Will Tell, Initiatives in Art and Culture Conference, New York, December 2009
The Art of French Horology, NAWCC National Convention 2009
Clocks and Watches of France, A National Convention 2005
The Impact of Polish Watchmakers on the Watchmaking Industry of Switzerland, Elms College (emphasis on Patek Philippe), May 2004
The Beginning (presenting the beginnings of portable horology), March 2002
The Forgotten Beginning (focusing on research regarding the unknown beginning of Patek, Philippe Co.), (PDF Version)
Philadelphia, June 2000