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Winchester
Winchester: /n./ Informal generic term for sealed-enclosure
magnetic-disk drives in which the read-write head planes over the
disk surface on an air cushion. There is a legend that the name
arose because the original 1973 engineering prototype for what
later became the IBM 3340 featured two 30-megabyte volumes; 30--30
became `Winchester' when somebody noticed the similarity to the
common term for a famous Winchester rifle (in the latter, the first
30 referred to caliber and the second to the grain weight of the
charge). Others claim, however, that Winchester was simply the
laboratory in which the technology was developed.
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