Timeline of United States inventions (1890–1945) installing driven conveyor belts that could produce a Model T in ninety-three minutes. 1901 Safety razor (disposable) A safety razor protects the skin from all but the edge of the blade while shaving skin. King Camp Gillette, a traveling hardware salesman of Fond du Lac, Wisconsin invented the double-edged, disposable safety razor attached to a re-usable razor handle. Beforehand, dull razors were taken to barbers for sharpening. With Gillette's double-edged and disposable blades, a uniform shave on a man's face could be achieved with a fresh blade and disposed after it was used. Gillette applied for a patent in 1901.
Underbelly: Razor Underbelly: Razor Underbelly: Razor, the fourth series of the Australian Nine Network crime drama anthology series Underbelly, originally aired from 21 August 2011 to 6 November 2011. It is a thirteen-part series detailing real events that occurred in Sydney between 1927 and 1936. The series depicts the "razor gangs" who controlled the city's underworld during the era and the violent war between the two "vice queen" powers, Tilly Devine and Kate Leigh. It is also the last season in the "Underbelly" franchise that contains 13 episodes. In contrast to the previous "Underbelly" installments, which were based on books by John