Edge-notched card

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1	Reprinted in Essays of an Information Scientist, Vol:6, p[removed], 1983 The Journal of Add to Reading List Source URL: www.garfield.library.upenn.edu Language: English - Date: 1999-10-01 17:28:54 Punched card Computer hardware Computer storage media Herman Hollerith Edge-notched card Powers-Samas Punched card input/output Unit record equipment Computing Technology
2	MIcRoFIcHE REFERENCE LIBRARY A project of Volunteers Systems Add to Reading List Source URL: www.howtomakeeverything.com Language: English - Date: 1999-10-08 23:41:50 Edge-notched card Index card Business Library science Science Stationery Ephemera Storage media