Clay Castleberry
Multitasking Slide Rule for the 1950s

• Chadwick #7285 Computer Lighter Instructions (1.4MB Jpeg) Chadwick #7285 Computer Lighter Instructions (302KB PDF)
  
  This is the companion web page to the article "Multitasking Slide Rule for the 1950s" by Clay Castleberry, in the Journal of the Oughtred Society, Vol. 18, No. 2, Fall, 2009.

Peter Alfeld
Many Formulas

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.

• One variable expressions. (145 expressions,7 pages, 44KB)
• Two variable expressions. (3540 expressions,277 pages, 660KB)
• Three variable expressions. (24314 expressions,1902 pages, 4.82MB)
• Display from OS 2009 Winter Meeting:
  • Title Page (one page, 16KB PDF)
  • Introduction (two pages, 24KB PDF)
  • Concise List of two variable expressions (fifteen pages, indexed to complete list, 304KB PDF)

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

• Stadia Slide Rules Table (MS Word Document ~68KB)
• Chinese 1005 front and back
• Aristo 0958 front and back
• Hemmi 269 front and back
• Faber Castell 4/38 front left and front right and edge
• Faber Castell 1/38 front
• Faber Castell 67/38 front
• Cox front
• Dempster Rotarulefront and back
• KB Stadia front
• K&E 4100 front
• K&E 4101 front left and front right
• K&E 4143 front

Richard Smith Hughes
Faber-Castell 989 Komplex-Rechenplatte

• Faber-Castell 989 Komplex-Rechenplatte (MS Word Document ~16MB) (Adobe PDF Format Coming Soon)
  
  English Translation of the German Manual by Dieter von Jezierski & Rodger Shepherd - Published here by the kind permission of Dieter von Jezierski and Rodger Shepherd

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

• Mendell Penco Weinbach and the K&E Log Log Vector Slide Rules (MS Word Document ~4MB) (Adobe PDF Format 5.4MB)
  
  An indepth article about Professor Mendell Penco Weinbach and his contributions to the development of the two K&E Log Log Vector Slide Rules, models 4093 and 4083.

Otto van Poelje
Sliding Gunter, pp. 12-18

• Table of books and specimens of sliding Gunter rules
  (Microsoft Excel format)
  as discussed in The Sliding Gunter - Versions for Navigation at Sea.

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

• The Oldest German Slide Rule
  Updated 10-24-2007 (Adobe PDF format 6MB)
  

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

• How Well Known Were Slide Rules in Germany, Austria and Switzerland Before the Second Half of the 19th Century?
  Updated 10-01-2007 (Adobe PDF format 5MB)
  

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

• Chinese vector (hyperbolic) slide rules. (HTML format) updated 12/2006

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)

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

• Table of all known hyperbolic slide rules. (HTML format) updated 12/2006

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

• 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)