Artifact Details Title Revised Sigma computer Catalog Number 102634936 Type Document Description Original annotations 3-in-1 computer study Date 1959-04-24 Author Blaauw, Gerrit A. Contributor Bloch, E. Publisher International Business Machines Corporation (IBM) Extent 6 p. Category Memoranda Subject IBM Project Stretch Credit Gift of Harwood G. Kolsky Lot Number X3021.2005 102634936.pdf
