Brown, John K.
When machines became gray and drawings black and white [article] : William Sellers and the rationalization of mechanical engineering / John K. Brown. - 1999.
Sellers, William, 1824-1905.
Machine-tools--History.
Mechanical engineering--History.--United States
IA : the journal of the Society for Industrial Archeology. - Vol.25, no.2, p.29-54.
When machines became gray and drawings black and white [article] : William Sellers and the rationalization of mechanical engineering / John K. Brown. - 1999.
Sellers, William, 1824-1905.
Machine-tools--History.
Mechanical engineering--History.--United States
IA : the journal of the Society for Industrial Archeology. - Vol.25, no.2, p.29-54.
