In 1962, IBM built a secret NSA computer that ran jobs up to 200 times faster than any other machine; 14 years later a worn-out part ended its run because its maker w…

IBM built a secret computer for the US National Security Agency that began operating in 1962 and remained in service for 14 ...
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Harvest (STRETCH), IBM 7302 Core Storage Memory Unit

The first transistorized computer made by IBM was the IBM 7030 or STRETCH. The first of these was installed at Los Alamos in 1961. The following year, a customized version of the STRETCH known as the ...