Men's mind and abilities grow and expand with use of responsibilities. - Alfred D. Chandler Jr.

Modern factory management (but not it must be stressed the management of large modern multi-unit enterprises) had the genesis in the United States in the Springfield Armory.

The systems and controls developed at the armory were as critical to the development of what became known as the 'American System of Manufacturing' as the new metalworking machinery and machine tools.

Increase on productivity and decrease in unit costs (often identified with economies of scale) resulted far more from the increases in the volume and velocity of throughput then from a growth in the size of the factory and plant.