In Pictures: If it ain't broke, don't fix it: ancient computers in use today

From 1970s minicomputers used for military programs (including nuclear weapons) to an IBM punch-card system still keeping the books at a Texas filter supplier, these are the computers that time forgot.

The punched cards used in the 402, with some mangled cards from a recently cleared jam in the card reader. The cards sit on the IBM 029 key-punch machine.

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