The Z-4, Pegasus, ENIAC , and the IBM 702 were hard to miss when you walked into a room. Who could have thought that these hefty early computers would lead to the tiny personal laptops we have today. See more of these bulky, but beautiful, retro machines from the 1940s - 60's. Click here to see a mainframe (named Emerac) on the big screen opposite Hepburn and Tracy.
