The Oughtred Society was founded in 1991 by a group of slide rule collectors and is dedicated to the preservation and history of slide rules and other calculating instruments. In the past 19 years it has evolved to an international organization with members in 22 countries. It is noted for its highly acclaimed Journal of the Oughtred Society, published twice per year. Continued …

• Sample Articles from the Journal of the Oughtred Society are available for viewing. The Oughtred Society is pleased to present four articles from recent issues of the Journal. Each issue of the Journal contains about 15 articles. Click titles to view articles:

  • A Brief History of the Aristo Studio Slide Rule - by John Mosand of Trondheim, Norway
  • Public Display of Your Collection - by Clay Castleberry of Oroville, California
  • John R. Dempster, The Remarkable Dempster RotaRule, and the Extraordinary Dempster Family - by W. Richard Davis of Las Vegas, Nevada
  • Suggestions for Dating pre-1920 Faber-Castell Slide Rules - by Trevor Catlow of Kent, United Kingdom

• Message Board - We now have a way to communicate with each other on a secure Message Board: Use this forum to read or post messages for exchanging information. You must be an OS member and log-in to post messages. Give it a try!

• JOS Plus is the website location where supplemental material appears for articles in the Journal of the Oughtred Society. In the current JOS issue, Vol. 19, No. 1, Spring 2010, there are four such articles. View these supplemental materials by going to JOS Plus.
• Advance List of Articles for the Fall 2010 Journal of the Oughtred Society is now available. The Fall Journal is filled and is on schedule to be mailed to members in October.

• Call for Nominations - The Oughtred Society Award and Fellowships for 2010. Nominations are now being accepted for the Oughtred Society's 2010 Awards. Please send your nominations to a member of the Award Committee : David Rance, Chair (Email : osawards2010[at]xs4all.nl); Gary Flom, Clark McCoy, Peter Hopp, Peter Holland. Deadline for nominations is July 25, 2010. See the OS Awards section of this web site for additional information.

• K&E Display in Hoboken An exhibit of K&E items will be on display during 2010 at the Hoboken Historical Museum in Hoboken, New York as part of the K&E exhibit, "Surveying The World". Students are handed slide rules during the tour for hands-on understanding of the principles involved. 30 slide rules were provided by the International Slide Rule Museum's SR Loaner program, supported by the Oughtred Society.

• A New Book Calculating With Tones - The Logarithmic Logic of Music by Klaus Kuehn and Rodger Shepherd has just been published by the Oughtred Society.

• The Oughtred Society Scholarships are now available. The Oughtred Society Excellence in Mathematics Scholarship. $250. For college-bound high school juniors and seniors. The Oughtred Scholarship. $750. For college students majoring in Engineering or Mathematics.
• IM2011 (International Meeting of Slide Rule Collectors) will be hosted by the Oughtred Society at MIT in Boston. This 17th annual meeting will be held in 2011 in the USA for the first time, previously being been held in Europe and the United Kingdom. The Oughtred Society takes great pleasure in hosting this significant event in the 20th anniversary year of the founding of the Society. Additional information to follow.
• The UKSRC has announced that the UK's largest public exhibition of slide rules has been unveiled at The National Museum of Computing at Bletchley Park, the specimens being contributed by the members of UKSRC. News anouncements may be seen at MKNEWS and PCW's Labs. The members of the Oughtred Society wish to congratulate UKSRC for this achievement in bringing slide rules to the British public.

• A comprehensive Index for the Journal of the Oughtred Society has been added to the Journal section of this website. This Index was compiled by Oughtred Society member Barry Dreikorn. Many thanks to Barry for this monumental and extremely useful piece of work! The Index provides Article title, Author's name, Item number, Page number, Article Summary and a Keyword list. It is fully searchable. Click JOURNAL here or in the main menu at left.

• The K&E Salisbury Products Division Slide Rules book, by Joseph L. Soper, is now available to order. Click the above link for a description, sample pages, and ordering information.

• Calculating With Tones is available to order. Click the link above.

• June 26, 2010 - West Coast Summer meeting. Mountain View, California. Computer History Museum. Oughtred Society Members are invited to attend. John Prince's collection to be auctioned. $90 before June 14. Click here for Details and Registration.
• September 17-18, 2010 - IM2010 16th International Meeting of Slide Rules & Historical Calculating Instrument Collectors in Leiden, The Netherlands. Meeting Information. Contact Otto van Poelje at ovpoelje[at]rekenlinialen.org
• November 6, 2010 East Coast Fall Meeting. New Jersey. Members and guests of members only. In the hope of attracting members who have never attended, and rewarding members who sign up early, we are offering a special discounted fee of $40.00 if you register before 1 October 2010. $50 after. Click here for information.

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last modified July 22, 2010