Ever wanted to know how engineers made their calculations before digital calculators were on every workbench? [Richard Carpenter] and [Robert Wolf] have just the thing—a sliderule simulator that ...

The May 2006 issue of Scientific American (www.sciam.com, available only to subscribers, sorry) has an excellent article, “When Slide Rules Ruled”, on the history, development, use, success, and swift ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. In the 1930s, engineers shared ...

Titaner's new Mix 3.0 ain't your average ruler. The clever dual-scale device boasts attributes such as an extendable measurement system, a measuring caliper, a magnetically retained pen, and a slide ...