NewSaurus

IBM´s Selective Sequence Electronic Calculator computed scientific data in public display near the company´s Manhattan headquarters. Before its decommissioning in 1952, the SSEC produced the moon-position tables used for plotting the course of the 1969 Apollo flight to the moon. 

Speed - 50 multiplications per second

Input/output: cards, punched tape

Memory type: punched tape, vacuum tubes, relays

Technology: 20,000 relays, 12,500 vacuum tubes

Floor space: 25 feet by 40 feet

Project leader: Wallace Eckert