You have to really like slide rules to build your own, including the necessary artwork. Apparently [Dylan Thinnes] is a big fan, based on this project he began working on a few months back. The result ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Maurice Hartung of the University of ...

DE MORGAN, in article “Slide Rule” in the Penny Cyclopaedia, points out that though Gunter first used a logarithmic scale, the real inventor of the logarithmic slide was Oughtred. “In the year 1630 he ...