Photos: Making the first disk drive

A 14-inch platter (right) is dwarfed by its 24-inch predecessor. Fourteen-inchers came out in the early 1960s, when demand began to grow. Disks with 14-inch platters were stacked into heavy, but moveable, bundles that could be carried from one system to another.

Photo by Michael Kanellos/CNET News.com