NYT: 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.
NYT: 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.