Artifact Details Title Specifications for the Exchange : Your memo to H.K. Wild dated April 4, 1957 Catalog Number 102632684 Type Document Date Apr. 12, 1957 Author Sarahan, B.L. Contributor Dunwell, Stephen W. Extent 2 p. Category Memoranda Subject Exchange computer; IBM Project Stretch Credit Gift of Harwood G. Kolsky Lot Number X3021.2005 102632684.pdf