insider.si.edu

Engineering Instruments 250-V Simplex 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. This ten-inch, one-sided wooden slide ...
Wired

Slide Rule Still Rules

It was the only technological tool widely and continuously used for over three centuries. For math and science geeks it was a badge of honor, nestled neatly into a plastic pocket protector along with ...
insider.si.edu

Lawrence Engineering Service 10-B Mannheim Simplex 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. This inexpensive 9-1/2 inch one-sided ...
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 ...