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 Free Slide Rules + Other Stuff
CLICK to return to The Slide Rule Universe Last Updated:
November 19, 2018


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Sphere Research Coporation, CLICK to visit! 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!
EMAIL US!Want something? e-mail us!
Go to Our FAQOur FAQ !! Answers to all those questions.
Visit the Document Server!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! OPEN 24/7, CLICK to visit the Marketplace! CLICKCLICK HERE
CLICKTo Visit The S/R Marketplace
   I'm in a HURRY! Show me all the: CLICKNIB Rules CLICKNIB Pickett Rules CLICKPocket Rules CLICKCircular Rules


Robby the Robot, our stalwart Mascot...
Back To SchoolIt's VERY SIMPLE, buy something from us, get something FREE. Everything here has an equivalent minimum purchase value, match it, and it's yours. Sorry, NO, you can't get more than one thing, and shipping doesn't count. NO, we do not include something automatically, you have to tell us what you want, and you don't have to pick anything if you don't want it.
The offer is good until we run out of the items, on a first come, first served basis. No, you can't get a discount instead, Yes, it is based on a specific purchase at one time. This is just our way of saying thank you to everybody that supports the Slide Rule Universe, and noting that times are tight, and everybody needs to make their money go a bit further. We are doing our bit to help you get organized for school on your budget!
Items for this extravaganza are donated courtesy of Ray Hems and Walter & Susan Shawlee.

NEED Study materials and no budget?
Just CLICK HERE to get a treasure trove of digital manuals free courtesy of The Oughtred Society.
SORRY, all the free slide rules are now GONE!
ILLUSTRATION
INFO / DESCRIPTION
YOU NEED

Drafting Tools
Drafting Tools, CLICK for bigger PIC!
CLICK for biggger PIC!

Drafting Tools
FREEHere's a great assortment of classic drafting tools for a new student, an Ames Lettering Guide, C2F Compass with universal pen-pencil adaptor, plus 2 different style Protractors and drawing guides. We only have a few sets of these left, contents may vary with availability!
(3 Drawing tools + a Compass)
Your Order:
At Least $50

Like this ITEM?
*E-Mail Us!
CLICK TO GET THIS

Free for EVERYBODY!
The Data-Guide SLIDE RULE GUIDE ((C) 1956)
Just CLICK on each image to download to your machine!
CLICK for Hi-Res JPG
Slide Rule Guide Page 1, CLICK for bigger PIC!
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!
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!


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 our LINKS
Click to visit!		 CLICK HEREVisit 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.
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.
E-mail us Created by the ad hoc Godzilla Graphics Group You are visitor number dot13686dot.
Site Design & contents copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2009, 2010, 2011, 2013, 2017, 2018 by Walter Shawlee 2 & the ad hoc Godzilla Graphics Group.

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