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 ...
Hackaday

Hands-On: Smarty Cat Is Junior’s First Slide Rule

You may remember that I collect slide rules. If you don’t, it probably doesn’t surprise you. I have a large number of what I think of as normal slide rules. I also have the less common circular and ...
insider.si.edu

Post Instruction Manual for Versalog Slide Rule

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 1950 and 1951, three Illinois ...
insider.si.edu

Dietzgen Instruction Manual for Maniphase Slide Rule

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. The citation information for this ...
Medicine Buffalo

Go figure: From slide rules to circuit boards

While some (math-phobics) still may relish the simple beauty and non-threatening functionality of the abacus, there are those who have made the transition to more challenging computing gadgets—many ...
The New York Times

Walter Shawlee, the Sovereign of Slide Rules, Is Dead at 73

Used by engineers for centuries, they were displaced by pocket calculators and all but forgotten until Mr. Shawlee created a subculture of obsessives and cornered the market. By Alex Traub For about ...