Photo gallery: Making the first disk drive

By ZDNet Australia, CNET News.com
19 September 2006 12:03 PM
Tags: hdd, ibm, hitachi, hard, disk, drive, platter, magnetic
The original hard disk drive, known as the RAMAC, in 1956 stored only 5 megabytes of data on 50 disks, 24 inches in diameter. It weighed more than 250 kilograms.
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