Occasionally, Watch & Clock Bulletin articles are prepared with supplemental material that cannot be published in the Watch & Clock Bulletin due to space considerations. Watch & Clock Bulletin readers are directed to this page to access this material in PDF format. See link below to download the latest Acrobat Reader.
"A Posted Frame Tale" Addendum by Roger Gendron. The original article appears in the March/April 2014 Watch & Clock Bulletin. p. 127.
See a summary of presentations at the 2013 Time Symposium, Time for Everyone, in the January/February 2014 W&C Bulletin. These support files for that summary include the program listing, including speaker biographies, and the Information Session booklet.
Appendix A—"The Cromwell Steamship Knickerbocker" and Appendix B—"Captain Frank Kemble" to "Underwriters Presentation Timepieces and the Story of a Man, a Ship, and a Chronometer Watch" by Jon Weber. This article appeared in the November/December 2012 Watch & Clock Bulletin.
"Kilbourn & Proctor Banjo Movement Production" by Andrew H. Dervan (MI) with Leslie Nesky (MA). The article appeared in the October 2011 Watch & Clock Bulletin. Appendix A - Kilborn Sale Sheet 1, Kilborn Sale Sheet 2, Kilborn Sale Sheet 3. Appendix B - Kilborn Database.
"Appendix A – Patents and Trademarks" is an appendix to “F. W. Derbyshire, Inc.” by Andrew H. Dervan (MI). The article appeared in the August 2011 Watch and Clock Bulletin.
"Mr. Locke's Watch Factory: Columbia and Suffolk Watch Companies of Waltham, MA" by Andrew H. Dervan (MI), Appendices A and B. The article appeared in the February 2011 Watch and Clock Bulletin.
"U. S. Government System of Observatory Time" is an appendix to “A Clock for Sending Time Signals” by Chester B. Watts Jr., which was published in the August 2008 NAWCC BULLETIN, p. 449.
"J. P. STEVENS Watchmaker, Inventor, & Clockmaker" by Katherine Kittle (GA, NY) appendices. The original article appeared in the August 2008 NAWCC BULLETIN, p. 387.
"Things are Seldom What They Seem—Christiaan Huygens, the Pendulum, and the Cycloid" by Alan Emmerson (Australia) Appendix, Part 2. The article and Appendix B appeared in the June 2006 NAWCC BULLETIN.
"Impulsing the Pendulum: Escapement Error Appendix" by Dr. George Feinstein (NY). The origianl article appeared in the October 2006 Bulletin, p. 569.
"Provincial Clocks and Clockmakers: The Claytons of Marple, Seventeenth and Eighteenth Century Cheshire Clockmakers Appendices" by Dr. Simon R. Drachman (ENG). The original article appeared in the April 2006 BULLETIN, p. 174. Appendix A was printed with the article.