A relay-based computer designed and built by Howard Aiken, with support from IBM, for the United States Navy' s Naval Proving Ground, between 1942 - 1947. The Harvard Mark II was the second in a series of four electro-mechanical computers that were forerunners of the ENIAC. {Harvard machines (http://hoc.co.umist.ac.uk/storylines/compdev/electromechanical/harvardmarkmachines.html)}. (2003-09-13)
