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Welcome To The Sphere Research Slide Rule Site: The Slide Rule Universe !
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  Sphere Research Corporation
3394 Sunnyside Rd.
West Kelowna, BC, Canada V1Z 2V4

Phone: +1 (250) 769-1834
FAX:+1 (250) 769-4106

A great source for test equipment, repairs, calibrations, useful metrology information, and of course, SLIDE RULES!

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The Slide Rule Universe
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Welcome to the Slide Rule Universe!
Original Artwork by: Larry Stewart, The Slide Rule Universe is a trademark of Sphere Research Corporation

The Slide Rule Universe reaches everywhere. Some of the most interesting spots in it are shown below. If you figure YOU belong here
E-Mail, and let us know!

Want to view the vast archive mail and slide rule info from collectors world-wide? Just subscribe to the wildly popular:
International Slide Rule Group
Mail List

CLICK to Visit
CLICK HERE JUST CLICK HERE!

Like Slide Rules? Join the Oughtred Society!
CLICK to visit the Oughtred Society

Click to Visit
The Oughtred Society's
New Website



CLICK to visit!
The Dutch Circle of of Slide Rule Collectors
has their own web site, now viewable
HERE A Multi-lingual site! New, updated link.



Datalizer, CLICK to visit!
Need to have a custom slide rule, slide chart or wheel chart made for you? YES, it can still be done at Datalizer, Just CLICK to see!
CLICK to visit Datalizer!

Email Judy Studenski at Datalizer for Custom Design Information HERE.


CLICK To Visit!Visit Steve Johnson's Cardboard Calculators, Slide Charts, and Wheel Charts
Just one of many fascinating pages in his Antique Technology Website! Really worth some time to explore! Unlock the hidden power of the lowly slide chart!


CLICK to visit the Otis King pageVisit Dick Lyon's
'Otis King's Patent Calculator' Pages

Learn about one of the most unusual slide rules.

UPDATED, this is the new home of this site.

Visit Drexel!

Visit Drexel's
Math Newsletter




CLICK to visit
CLICK to VISIT Dick Rose's Vintage Instrument site
in the US. Those of you that have been looking for Dick's lists of slide rules and other vintage instruments can now find them all on line and searchable here at his new web site.
ISRM, CLICK to Visit!
Mike Konshak's ISRM is dedicated to the students, educators, scientists and engineers of the past and those still present, and to promote the lost art of numeracy by providing resources and slide rules for education and other historic institutions. ISRM, with the support of members of the Oughtred Society in several countries, provides free loans of matching sets of slide rules to educators who wish to introduce their students to the principles of logarithms and to demonstarte how mathematical operations were performed for over 350 years, prior to the introduction of the electronic calculator. ISRM also administers the International Slide Rule Championships and provides free medals, for those teachers who wish to challenge their stuidens by holding a fun math competition using slide rules.





CLICK to visit JFZAZZA
CLICK to visit JFZAZZA Reglas De Calculo WEB

A wonderful site filled with extensive Faber Castell model and manual info in SPANISH!

This is the richest index of downloadable Spanish manuals on the web, a wonderful resource.






Visit Ron Manley's Slide Rule Site HERE in the UK. Some very useful info stored here, including unique price summaries from eBay for all slide rule sales. Worth a visit! This is Ron's NEW site location.
CLICK to visit Astragal Press
Visit the Astragal Press
Home of all kinds of
fascinating books,
and YES, NEW books
about SLIDE RULES!
CLICK HERE




CLICK to visit!


Check out ERIC MARCOTTE's
Slide Rule website
in Canada.
All kinds of useful info
and reference material.






CLICK to visit
Visit Clark McCoy's K+E Catalog Site
HERE
. The on line archive of all things K+E, scanned for your research pleasure. A wealth of hard to find original K+E information stretching back through the last century.
CLICK to visit David Davis
Visit David Davis's slide rule Blog

HERE where he delves into some interesting and largely unknown aspects of K+E's slide rule manufacturing, especially the 'sub-brands' they created for rules. Some interesting stuff, drop by and have a look!

Visit Rod Lovett's Slide Rule Site
HERE in the UK. Lots of Aristo model info (his main collecting interest), plus article indexes for numerous slide rule journals.

CLICK to visit!
Visit Tim Vandenburg's Universal Slide Rule Site
HERE He has an amazing software slide rule package you can download and operate on your PC, and customize to suit your personal tastes!

The program is also available from our slide rule software page HERE.



CLICK to Visit IDC!
Visit Guillermo Castarés Instrumentos De Calculo
HERE An excellent Spanish language site with all types of slide rules and other mathematical calculators, plus on line problem solving! Some excellent slide rule images and data, worth a look!





CLICK to visit!Visit the Uk's National Museum of Computing, a truly fascinating compendium of major computing artifacts of modern civilization (with a UK product orientation, of course). And YES, there is a section on slide rules. Just click on the logo at left for your free web ticket to rove through the museum.
Visit Giovanni Pastore's Slide Rule Site
HERE in Italy. Interesting historical information in a very nice format. Multi-lingual site, this link is to the English section.

Visit Greg Scott's Slide Rule Site
HERE in Australia. Lots of great info and reference plus insight into his own collection, with considerable model detail.

CLICK to go back to THE SLIDE RULE UNIVERSE Home Page



Visit Our site, The Slide Rule Universe,
at Sphere Research

in BC, Canada.





emailSlide Rule Collectors & Gurus that you may want to contact for trades or sales:


John Porter --Collector & Contributor, PLUS he has a slide rule for sale website with his wife's silver business HERE.

Ted Hume --Hemmi/POST expert (see his info in the POST Archive).

Dick Rose --Collector & Contributor

Louis Gotlib --Collector & Teacher, happy to share teaching info for slide rules and class projects.

Tom Whiteway--Collector & Contributor.

Craig Kielhofer --Collector & Contributor & Co-moderator of the Slide Rule Mail List

Dave Crate --Collector & Contributor

Tom Savage --Collector & Contributor

Dick Lyon --Collector & Contributor, webmaster of the Otis King pages

Walter Shawlee 2 --Collector & Webmaster of the SRU



Want to be listed here ?, just E-Mail us, and we will add you in. All listings provided at our sole discretion.

CLICK to visit the Slide Rule Marketplace
Click to visit!
CLICK HEREBuy a slide rule from our extensive on line marketplace, with restored classics, amazing new in the box rules, and low cost first student rules. We have something for everybody, even a swap and sell area for visitors.
CLICK to Learn about your slide rule!
Click to visit!
CLICK HERELearn to operate and care for your slide rule with these on line manuals and directions. Learn what scales mean, how to use them and how to restore or keep your rule in good condition.
CLICK to visit the Slide Rule Archives!
Click to visit!
CLICK HERETour our extensive archives of slide rule manufacturers and models from all over the world. Find out who made what, and what became of them after they stopped making slide rules. See how slide rules survive today in the form of slide charts still made in the millions annually.
CLICK to visit the Marketplace
Click to visit!
CLICK HERENice things people have said about us in print and on TV, see the original articles. We always appreciate it!
CLICK to visit the Test Equipment Site!
Click to visit!
CLICK HEREVisit our TEST EQUIPMENT site everything from Scopes, CRT's and DMM's to nixie tubes, HP and Tektronix spare parts. A little electronic something for everybody.
Email us!
E-Mail Us !
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Site Design & contents copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2008, 2009, 2010, 2011, 2012, 2013 by Walter Shawlee 2 & the ad hoc Godzilla Graphics Group.

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