computer, history 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 (https://hoc.co.umist.ac.uk/storylines/compdev/electromechanical/harvardmarkmachines.html).
(2003-09-13)