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An 'Underwood Samas Sorter' which makes filing more systematic. News Photo1950-1959,Archival,Black And White,Equipment,Innovation,Machinery,No People,Office,Order,Science,Science and Technology,SquarePhotographer Collection: Hulton Archive circa 1955: An 'Underwood Samas Sorter' which makes filing more systematic. (Photo by Sherman/Three Lions/Getty Images)