Artifact Details Title Sigma timing simulator studies Catalog Number 102635100 Type Document Description Cover letter Stretch simulation memos : IBM 7030 performance Date Feb. 6, 1958 Author Kolsky, Harwood G. Contributor Dunwell, Stephen W. Extent 1 p. Category Memoranda Subject IBM Project Stretch Credit Gift of Harwood G. Kolsky Lot Number X3021.2005 102635100.pdf