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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.
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March 20, 2008
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William K. Robinson
Mendell Penco Weinbach and the K&E Log Log Vector Slide Rules
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Spring 2007, v. 16, n. 1
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Otto van Poelje
Sliding Gunter, pp. 12-18
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Fall 2006, v. 15, n. 2
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Werner H. Rudowski
The Oldest German Slide Rule, pp. 1-4
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Werner H. Rudowski
How Well Known, pp. 1-9
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Fall 2005, v. 14, n. 2
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Richard Smith Hughes and William K. Robinson
Table 6, p. 59
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Otto van Poelje
The Navigation Scale, Improved by B. Donn, p. 36
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Benjamin Donn pamphlet, "The Description and Use of
the Navigation Scale, 1772, 12pp., transcribed by Otto van Poelje.
(PDF format)
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Spring 2005, v. 14, n. 1
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William K. Robinson
Slide Rules with Hyperbolic Functions, p. 55
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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.
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Hemmi No. 5 front (courtesy of Paul Ross).
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Hemmi No. 50-20 front (courtesy of John
Spivey).
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Hemmi No. 70a front (courtesy of Paul Ross).
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Hemmi No. 70b front (courtesy of Paul Ross).
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Hemmi No. 2670 front (courtesy of Paul Ross).
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Hemmi No. 70c front and back (author's collection).
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Hemmi No. 70d front (author's collection).
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Hemmi No. 72 front (author's collection).
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Hemmi No. 96 front (author's collection).
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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).
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Hemmi No. 279D
front
and back (author's collection)
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