This is one of three built! Meet the Oldsmobile Aerotech, originally designed to run GM's new Quad 4 engine, a four cylinder with four valves per cylinder! It pushed the car to more than 250 miles per hour in 1989. The third version, seen here, is equipped with an Aurora V8. This car set 47 speed records in December 1992. | This Day in Automotive History - Drive History

Samuel Colt's Revolver: Revolutionizing Warfare, Industry & the Wild West Discover how Samuel Colt's 1836 patented repeating handgun transformed battles from the Mexican-American War to the Civil War, empowered frontier settlers with rapid-fire power, pioneered mass production techniques, and became the iconic "six-shooter" of American legend. [Samuel Colt, revolver invention, 1836 patent, revolving cylinder, Colt Paterson, Colt Walker, Peacemaker six-shooter, interchangeable parts, mass product