Artifact Details Title Use of a single address register in the lookahead and the forwarding mechanism provided Catalog Number 102632589 Type Document Date Nov. 11, 1958 Author Dirac, J.F. Contributor Bloch, E. Extent 3 p. Category Memoranda Subject IBM Project Stretch Series Title Sigma computer memorandum; no. 19 Credit Gift of Harwood G. Kolsky Lot Number X3021.2005 102632589.pdf