This book covers the topic of mainframe computers, Big Iron, the room-sized units that dominated and defined computing in the 1950's and 1960's. The coverage is of efforts mainly in the United States, although significant efforts in the U.K., Germany, and others were also involved. Coverage is given for IBM and the 7 dwarfs, Burroughs, Control Data, General Electric, Hineywell, NCR, RCA, and Univac. There is also coverage of machines from Bendix,...