Artifact Details Title 2nd Addition Catalog Number 102648747 Type Software Description (1) stack of punched cards; card in front reads "2nd Addition" but is almost illegible; Part of a larger group of punched cards labeled with a star. Publisher Carnegie Mellon University. NMR Center for Biomedical Studies Format Punch card Collection Title Scientific Data Systems Sigma-5 computer system Credit Courtesy of Carnegie Mellon University Lot Number X2473.2002