Artifact Details Title Rebuilding Colossus codebreaker Catalog Number 102667679 Type Still image Description Poster for the Computer Museum History Center Lecture by Anthony E. Sale, held on October 21, 2000 : "Rebuilding Colossus Codebreaker". On top of poster is black-and-white photograph of two women using the Colossus codebreaker computer. Date 2000-10-21 Photographer Sale, Anthony E. Publisher Computer History Museum Dimensions 17 x 11 in Category Poster Collection Title CHM Lecture Collection Lot Number X4834.2009