✦ LIBER ✦

Conversion of Hollerith punched card machines for use of un-punched cards

✍ Scribed by L. W. Pollak

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Use of Punched Card Tabulating Machines

✍ COX, E. G.; GROSS, L.; JEFFREY, G. A. 📂 Article 📅 1947 🏛 Nature Publishing Group 🌐 English ⚖ 241 KB

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✍ P. OSVÁTH; Z. KOVÁACS; B. GODÓ; VERA MÁRKUS 📂 Article 📅 1972 🏛 John Wiley and Sons 🌐 English ⚖ 486 KB

System for automatically punching onto I

✍ B. Greenebaum 📂 Article 📅 1964 🏛 Elsevier Science ⚖ 333 KB