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Free Slide Rules + Other Stuff Last Updated: June 21, 2019 Click REFRESH on your browser if pages seem unchanged | Sphere Research Corporation 3394 Sunnyside Rd. West Kelowna, BC, Canada V1Z 2V4 Phone: +1 (250) 769-1834 A great source for test equipment, repairs, calibrations, useful metrology information, and of course, SLIDE RULES! Want something? e-mail us! Our FAQ !! Answers to all those questions. Visit our amazing document server. Quotes & SciFi to Ethics & Business. Just SCROLL DOWN to see everything! |
Click to See What's NEW...... | Welcome to the Slide Rule Universe! | CLICK HERE To Visit The S/R Marketplace |
I'm in a HURRY! Show me all the: | NIB Rules | NIB Pickett Rules | Pocket Rules | Circular Rules |
Here's some useful Free Stuff you may find handy. |
CLICK for Hi-Res JPG Slide Rule Guide Page 1, CLICK for bigger PIC! Covers set up and use of all rule functions from multiplication and division to roots and logs. A wonderful and concise set of directions from over 50 years ago! |
CLICK for Hi-Res JPG Slide Rule Guide Page 2, CLICK for bigger PIC! Covers set up and use of all rule functions from multiplication and division to roots and logs. A wonderful and concise set of directions from over 50 years ago! |
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Buy 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. |
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Learn 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. |
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Visit other slide rule places on the web with more slide rule data and information. From personal collections on line to (yes, it's really true) the international slide rule owners and collectors organization, the Oughtred Society. |
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Nice things people have said about us in print and on TV, see the original articles. We always appreciate it! |
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Visit 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. |
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