Oughtred Society  
HOME

Slide Rule Info
Beginners Guide
Slide Rules of the
   Major Makers

Classic SRs
Rarities Gallery
OS Slide Rule
   Ref Manual

Links Library
Archive of
   Collections

Long Scale SRs
Hyperbolic SRs
History of SRs
SR Resources
Patent Data
In Memoriam
Slide Rule Fun

About the OS
Membership
Journal (JOS)
Journal Search
Publications
Meetings
MessageBoard
JOS Plus
Bulletin
Newsletters
OS Awards
OS Directors


OS Facebook

JOS Plus contains content that is a supplement to articles in the print edition of the Journal of the Oughtred Society, beginning with the Spring 2005 issue.

JOS plus typically adds more images and tables. And it allows for periodic updating of the material after the print publication date. Material is listed most recent first.

JOS Plus


Fall 2016, Vol.25, No. 2

Spring 2016, Vol.25, No. 1

Fall 2015, Vol.24, No. 2

Spring 2015, Vol.24, No. 1

Fall 2014, Vol.23, No. 2

Spring 2014, Vol.23, No. 1

Fall 2013, Vol.22, No. 2

Spring 2013, Vol.22, No. 1

Fall 2012, Vol.21, No. 2

Spring 2012, Vol.21, No. 1

Fall 2011, Vol. 20, No. 2

Spring 2011, Vol.20, No. 1

Fall 2010, Vol.19, No. 2

David M. Riches
Sterling Slide Adders

This is the companion web page for the article by David Riches in the Journal of the Oughtred Society, Vol. 19, No. 2, Fall 2010. It contains:

List of figures and captions for Sterling Slide Adders (72KB PDF)

and 14 figures from the article, plus an additional 5 images (JPG)

Otto van Poelje
French Calculating Disc - Montre Logarithmique

This is the companion web page for the article by Otto van Poelje in the Journal of the Oughtred Society, Vol. 19, No. 2, Fall 2010. It contains:


Spring 2010, Vol.19, No. 1

Bryan Purcell
Using Old Tools to Solve a Modern Problem
The Reintroduction of the Slide Rule to the Classroom

This is the companion web page for the article by Bryan Purcell in the Journal of the Oughtred Society, Vol. 19, No. 1, Spring 2010. It is the unabridged original eight page version of the article, in which Bryan discusses many positive aspects of using slide rules in the classroom.

Read the Unabridged article (341KB PDF)

Otto van Poelje
Calculating Disc by Benjamin Ayres (circa 1750)

This is the companion web page for the article by Otto van Poelje in the Journal of the Oughtred Society, Vol. 19, No. 1, Spring 2010. It contains:

Richard Davis
John R. Dempster,
The Remarkable Dempster RotaRule
and The Extraordinary Dempster Family

This is the companion web page for the article by Richard Davis in the Journal of the Oughtred Society, Vol. 19, No. 1, Spring 2010.

Read the Dempster RotaRule brochure from 1928-1929. (3.5MB PDF)

Bob Koppany
Editorial

This is the companion web page for the editoral by Bob Koppany in the Journal of the Oughtred Society, Vol. 19, No. 1, Spring 2010, in which he mentions the new cover design. Designing a new cover for the Journal was quite a challenge. During the process Bob studied several possible designs, the last of which appears as the cover of JOS Vol. 19, No. 1 and is planned to be used on all future issues.

View these cover designs (1.1MB PDF).


Fall, 2009, v. 18, N. 2

Clay Castleberry
Multitasking Slide Rule for the 1950s

Peter Alfeld
Many Formulas

This is the companion web page to the article "Many Formulas" by Peter Alfeld in the Journal of the Oughtred Society, Vol. 18, No. 2, Fall, 2009.

Below are links to PDF files with all expressions described in that article. In all Tables, Exp(x) means 10 to the power x, exp(x) is the natural exponential of x, log(x) is the base 10 (common) logarithm, and ln(x) is the natural logarithm.


Fall 2007, v. 16, n. 2

Richard S. Hughes
Updated Stadia Slide Rules Table (and images), p. 33

Many, though not all of the images, are larger than will fully display in a default browser and Microsoft Internet Explorer 6 uses automatic image resizing to make it fit without scrolling. To display an image at full size (if it is not already), place the cursor over the lower-right corner of the image and see if the resizing icon appears.


May 10, 2008

Richard Smith Hughes
Faber-Castell 989 Komplex-Rechenplatte


March 20, 2008

William K. Robinson
Mendell Penco Weinbach and the K&E Log Log Vector Slide Rules


Spring 2007, v. 16, n. 1

Otto van Poelje
Sliding Gunter, pp. 12-18


Fall 2006, v. 15, n. 2

Werner H. Rudowski
The Oldest German Slide Rule, pp. 1-4

Werner H. Rudowski
How Well Known, pp. 1-9


Fall 2005, v. 14, n. 2

Richard Smith Hughes and William K. Robinson
Table 6, p. 59

Otto van Poelje
The Navigation Scale, Improved by B. Donn, p. 36

  • Benjamin Donn pamphlet, "The Description and Use of the Navigation Scale, 1772, 12pp., transcribed by Otto van Poelje. (PDF format)


Spring 2005, v. 14, n. 1

William K. Robinson
Slide Rules with Hyperbolic Functions, p. 55

Warren M. Salomon
Hemmi's 50 Centimeter Slide Rules, p. 18

Many, though not all of the images, are larger than will fully display in a default browser and Microsoft Internet Explorer 6 uses automatic image resizing to make it fit without scrolling. To display an image at full size (if it is not already), place the cursor over the lower-right corner of the image and see if the resizing icon appears.

  • Hemmi No. 5 front (courtesy of Paul Ross).
  • Hemmi No. 50-20 front (courtesy of John Spivey).
  • Hemmi No. 70a front (courtesy of Paul Ross).
  • Hemmi No. 70b front (courtesy of Paul Ross).
  • Hemmi No. 2670 front (courtesy of Paul Ross).
  • Hemmi No. 70c front and back (author's collection).
  • Hemmi No. 70d front (author's collection).
  • Hemmi No. 72 front (author's collection).
  • Hemmi No. 96 front (author's collection).
  • Hemmi No. 154 front and back (author's collection).
  • Hemmi No. 200 front and back (author's collection).
  • Hemmi No. 201 front (courtesy of Wayne Lehnert).
  • Hemmi No. 275b front and back (author's collection).
  • Hemmi No. 275D front and back (author's collection).
  • Hemmi No. 279b front and back (author's collection).
  • Hemmi No. 279D front and back (author's collection)

 


arrow

Click here to contact us
About this site.
http://oughtred.org/josplus.shtml
last modified February 27, 2017