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  1. The punched card tabulator | IBM

    About 80 years prior, Joseph Marie Jacquard of France devised a way to use punched cards to automate steam-powered weaving looms. In the mid-1830s, English mathematician Charles Babbage developed plans for a computing …

  2. IEBPTPCH (Print-Punch) Program - IBM

  3. Interpretation of punched cards - IBM

  4. Processing a Punched Card File - IBM

  5. Wallace Eckert - IBM

    In 1933, Columbia installed a full IBM punched card assembly, dubbed the Astronomical Calculator, in the Astronomy Department, based on Eckert’s request and specifications. From there Eckert rigged various IBM calculators and …

  6. The birth of Social Security | IBM

    On September 16, 1936, IBM won the contract and quickly unveiled a technological workhorse developed specifically for the SSA: the IBM 077 Collator, a massive machine for reading and organizing punched cards into a single …

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  8. How the IBM-Supplied Output Separator Routine Works

  9. The IBM 077 Collator

    The 077 Collator performed many card-filing and -pulling operations. As a filing machine, the 077 simultaneously fed and compared two groups of punched cards: records already in file and those yet to be filed. It then merged the …

  10. The Apollo Missions: Transforming the world | IBM

    Announced in May 1949 as a versatile general-purpose computer, the IBM Card-Programmed Electronic Calculator (CPC) was the first digital computer used in the US space program. It performed predetermined sequences of arithmetical …

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