Hackaday

Sliderule Simulator Teaches You How To Do Calculations The Old Fashioned Way

Ever wanted to know how engineers made their calculations before digital calculators were on every workbench? [Richard ...
insider.si.edu

Directions for the Use of Hemmi Slide Rules

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This stapled ten-page leaflet arrived ...
insider.si.edu

Pamphlet, How to Use Dual Base Log Log Slide Rules

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Pickett, Inc., was a slide rule ...
New Atlas

Brainy extendable titanium ruler packs a caliper, pen and slide rule

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 ...
Nature

An Early Slide Rule

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 ...