Sphere Research's Slide Rule Universe - New Slide Rule Cases and Stands

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Brand New Slide Rule Cases and Stands

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Sphere Research Corporation
3394 Sunnyside Rd.
West Kelowna, BC, Canada V1Z 2V4
Phone: +1 (250) 769-1834

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Brand New Slide Rule
Cases and Display Stands

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Case Designs Copyright 2002 and 2015 By Sphere Research Corp., All rights reserved.

Finding enough slide rule cases for all the thousands of case-impaired slide rule sets out there is an ongoing nightmare, so once again, we decided to quit fooling around, and just GO MAKE THEM. This of course required that we first design a workable case (no trivial task), and then find a company to manufacture them economically. In keeping with slide rule traditions, we used a classic, time honored design technique (CAD guys, eat your heart out - pencil and paper) which allowed us to quickly go from concept to cases in just a few weeks with the help of Seamcraft. Here's an interim sample:

CLICK for bigger PIC!

When we started this project, we identified several key issues:

The case had to fit properly, and accommodate all common duplex rules from Pickett N4's to K+E 4081-3's. By default, a smaller Mannheim rule would also fit, but could be loose.

There had to be enough room to get the rule in and out easily.

The flap and flap closure had to be rugged, and wear well, unlike many original cases. Original cases from virtually all makers had terrible flap problems, and constantly broke off, to the massive annoyance of the user.

The cases needed to have a built in ID window, like the one in the Versalog case, to avoid marking (and ruining) the case with names and initials as in the past.

The case had to actually protect the rule, and be padded to avoid glass cursor damage. It also needed to wear well, and be durable without discoloring.

The cases had to look good, and be of high quality, preferably from a domestic maker.

And of course, they had to be affordable, to make them practical.

After three prototypes, and numerous test fits and color samples, we think the Sphere Duplex Case is ready for prime time. The 100% padded case has a tough nylon cover, inside and out, fully bound edges, an ID window, and velcro flap closure. It is a rich burgundy/cordovan color, like the original Versalog case, and has black trim. The back has a rugged D-ring anchor for belt loop use, and the tapered design accomodates an astonishing range of rules well, and still allows easy removal.

All of these styles will fit well:

K+E Duplex Rules (408X and 4181 styles)
K+E Deci-lon rules
Dietzgen Duplex 17XX rules
POST Versalogs
Hemmi 250/260 series Duplex rules
Pickett N3, N4, N16, N500, N800 rules

K+E Deci-lon relative to the case

- K+E Deci-lon Fit

In addition, smaller rules, such as the Pickett N90X and N101X series, K+E and Dietzgen Mannheims, and Faber Castell Mannheims also fit well, but with a bit more side room, there's room for a pen or pencil too, if you want. Because these rules may be an inch to an inch and a half shorter, a small pad inserted into the bottom of the case gives an easier fit for quick removal.

These full size cases are made in the USA
for Sphere by Seamcraft, Inc.

The Pocket case was MUCH harder to source and design, and took 5 years to come up with a suitable set of cases, this time in China. The final black leather case with fully covered clip is an outstanding case, optimized for two different groups of rules. These cases are custom made for Sphere by Walicase in China.

You can order anything here just by picking up the phone, and calling (250) 769-1834 during normal office hours, 8:30AM to 4:30PM PST. OR, Email your order to Susan HERE.

SHIPPING: Preferred and Alternate Methods as of June 4, 2013, CLICK for FULL DETAILS ON OUR FAQ Page. Rates are now changing rapidy, often with little notice to us, so all the data has been transferred to the FAQ page for speedy updating.

If we have your valid data on file, you can just click on the ORDER email link to place an order and indicate your approval to bill, and we will do the rest. We keep your active information for ONE YEAR for your convenience.

If this is the first time you have dealt with us, you can phone +1 (250) 769-1834 to supply the billing info, or send it by the email link, as you prefer. We accept VISA/MC, international money order, Paypal (to Susan@Okanagan.net), and bank wire transfer. Please note that there are transaction fees with Paypal and wire transfer payments, the wire transfer fee is frankly horrifying.

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Production
CASES
NOW
AVAILABLE
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Sphere / Versalog Case Comparison

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NOTE: These pictures are color true, the scans below tend to be a bit redder than real life. The actual case color is a dark burgundy.

Sphere / Versalog Case Comparison

CLICK for bigger PIC!

NOTE: These pictures are color true, the scans below tend to be a bit redder than real life. The actual case color is a dark burgundy.

K+E Deci-lon Fit

NOTE: These pictures a bit redder than real life. The actual case color is a dark burgundy.

K+E 4081-3 Fit

NOTE: These pictures a bit redder than real life. The actual case color is a dark burgundy.

Pickett N4ES Fit

NOTE: These pictures a bit redder than real life. The actual case color is a dark burgundy.

POST 1452W Fit

NOTE: These pictures a bit redder than real life. The actual case color is a dark burgundy.

NEW Full Size Slide Rule Cases

PICTURE	INFO	QTY.	PRICE Each
Sphere Duplex Rule Case CLICK for bigger PIC! CLICK for bigger PIC! External and Internal Nylon Fabric: Click for a bigger PIC! These cases are made in the USA for Sphere by Seamcraft. Design Copyright 2002 By Sphere Research Corp. All rights reserved.	CLICK for bigger PIC! (Slide rule, and comparison case on the left NOT included!) Full size duplex rule case, maroon/burgundy outside, and black inside, fully padded nylon case. Velcro flap closure, with protected ID window. Black Dacron seam binding on all edges, and the back side has a rugged D-ring attachment, for belt loop use. Fits all common duplex rules of approx. 12.5 inch body size. The padded pocket design allow both thin and thick rules to fit snugly, always secure, never loose in the case to prevent cursor damage. All of these styles will fit well: K+E Duplex Rules (408X and 4181 styles) K+E Deci-lon rules Dietzgen Duplex 17XX rules POST Versalogs Hemmi 250/260 series Duplex rules Pickett N3, N4, N16, N500, N800 rules In addition, smaller rules, such as the Pickett N90X and N101X series, K+E and Dietzgen Mannheims, and Faber Castell Mannheims also fit well, but with a bit more side room, there's room for a pen or pencil too, if you want. Because these rules may be an inch to an inch and a half shorter, a small pad inserted into the bottom of the case gives an easier fit for quick removal.	65 Includes: Case	$39 Each Sphere Duplex Rule Case Like this item? CLICK TO ORDER

NEW Pocket Slide Rule Cases
Both Cases with rules!

PICTURE	INFO	QTY.	PRICE Each
Sphere Small Pocket Slide Rule Case CLICK for bigger PIC! Back View, both cases, CLICK for bigger PIC! These cases are made in China for Sphere by Walicase. Design Copyright 2015 By Sphere Research Corp. All rights reserved.	Small case comparison to Pickett Pocket Case, CLICK for bigger PIC! (Slide rule, and comparison case on the left NOT included!) Small Pocket size simplex/duplex rule case, supple black leather outside, and tan microsuede inside, with fully covered pocket clip. Internal envelope is 2 inches by 6 3/4 inches (subtract two times the thickness of the rule from the width to determine if your specific rule can fit). Optimized for all pocket Pickett 200/300/400/600/700 duplex rules of approx. 6 inch long body size. The flat pocket design allow both thin and thick rules to fit snugly, always secure, never loose in the case to prevent cursor damage. Despite the secure fit, rules are easily extracted, often better than the original cases. The case comes in a protective clear bag and white box and has our Sphere logo embossed on the top flap. We searched for 5 years to find a supplier that could make this style clip case, these were the result. A single case can ship cheaply in a padded first class envelope for just $6 to anywhere. All of these styles will fit well: K+E pocket simplex rules POST pocket simplex rules Hemmi pocket simplex rules Pickett N200/300/400/600/700 duplex rules In addition, some small K+E pocket duplex rules also fit well, and a variety of other vendor smaller pocket rules. It is slightly wider than the original Pickett case, to give more fit range.	245 Includes: Case Box	$25 Each Sphere Small Pocket Rule Case Like this item? CLICK TO ORDER
PICTURE	INFO	QTY.	PRICE Each
Sphere Large Pocket Slide Rule Case CLICK for bigger PIC! Back View, both cases, CLICK for bigger PIC! These cases are made in China for Sphere by Walicase. Design Copyright 2015 By Sphere Research Corp. All rights reserved.	Big case comparison to K+E 4181-1 Pocket Case, CLICK for bigger PIC! (Slide rule, and comparison case on the right NOT included!) Big Pocket size simplex/duplex rule case, supple black leather outside, and tan microsuede inside, with fully covered pocket clip. Internal envelope is 2 1/2 inches by 7 1/2 inches (subtract two times the thickness of the rule from the width to determine if your specific rule can fit). Optimized for all larger duplex rules (including the Deci-lon) of approx. 7 inch long body size. The flat pocket design allow both thin and thick rules to fit snugly, always secure, never loose in the case to prevent cursor damage. Despite the secure fit, rules are easily extracted, often better than the original cases. The case comes in a protective clear bag and white box and has our Sphere logo embossed on the top flap. We searched for 5 years to find a supplier that could make this style clip case, these were the result. A single case can ship cheaply in a padded first class envelope for just $6 to anywhere. All of these styles will fit well: K+E 4181-1 pocket duplex rules K+E 68-1130 pocket Deci-lon rules POST pocket Versalog rules Hemmi pocket duplex rules In addition, most pocket FC/Aristo duplex rules also fit well, BUT, the FC 62/83N and 62/82N CANNOT fit well, due to their extra body length.	245 Includes: Case Box	$29 Each Sphere Large Pocket Rule Case Like this item? CLICK TO ORDER

NEW Slide Rule Stands

PICTURE	INFO	QTY.	PRICE Each
Sphere Slide Rule Stands CLICK for bigger PIC! Holding a circular rule: CLICK for bigger PIC!	Clear cast acrylic stands for displaying your favorite slide rules! These can be used singly for a round rule, or in pairs for either pocket or full sized rules as shown. Made in USA, and supplied in PAIRS. These allow you to properly display your favorite rule on your desk, shelf or display case at a very nice angle, and help prevent cursor damage that can occur when they get laid flat on surfaces. Holding a pocket rule: CLICK for bigger PIC! A great addition to any other order!	44 Pairs	$4.95/Pair 4 Pair/$19 Sphere Acrylic Slide Rule Stands Like this item? CLICK TO ORDER
PICTURE	INFO	QTY.	PRICE Each
Sphere Wide Slide Rule Stands CLICK for bigger PIC! Holding a full size rule: CLICK for bigger PIC!	Wide stand at left, regular at right Large clear cast acrylic stands for displaying your favorite slide rules! These wide base (2 1/8 inch) stands can be used singly for a round rule or a pocket rule, or in pairs for either pocket or full sized rules as shown. Made in USA, and supplied in PAIRS. These allow you to properly display your favorite rule on your desk, shelf or display case at a very nice angle, and help prevent cursor damage that can occur when they get laid flat on surfaces. A great addition to any other order!	50 Pairs	$5.95/Pair 4 Pair/$22 Sphere Acrylic Slide Rule Stands Like this item? CLICK TO ORDER

Places to go in the Slide Rule Universe, people to see....

Click to visit!	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.
Click to visit!	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.
Click to visit!	Tour 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!	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.
Click to visit!	Nice things people have said about us in print and on TV, see the original articles. We always appreciate it!
Click to visit!	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.
E-mail us	You are visitor number . Site Design & contents copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007, 2008, 2009, 2011, 2013, 2014, 2017 by Walter Shawlee 2 & the ad hoc Godzilla Graphics Group. Return to Sphere's Home Page