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IBM 519
The IBM 519 Electric Document Originating Machine, introduced in 1946, was the last in a series of unit record machines designed for automated production of punch cards. It could reproduce all or parts of the information on a set of cards; copy the information from a master card onto a group of detail cards; printing up to eight digits on the end of the card; compare two decks of cards, punch summary information provided by an accounting machine.
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