Employee Operating a Kneading Machine in the Main Plant's Spaghetti Department, H. J. Heinz Company, Pittsburgh, Pennsylvania, circa 1910

Before complete mechanization of the manufacturing process, many tasks at the Heinz factory were done by hand. The H.J. Heinz Company documented the many departments of the manufacturing process through photographs. This photograph shows an employee operating the kneading machine used to make spaghetti for Heinz's cooked spaghetti products.