Artifact Details Title Burroughs 220 Drum Memory Catalog Number 102627285 Type Still Image Description Black and white image of B220 Drum Memory. Shown with cover lifted. Very little detail shown. At the very left is a partial view of a man's face with his arm raising the cover. This gives some idea as to scale. Verso: "B220 drum memory:" Dimensions overall: 3 1/2 in x 5 in Category Photograph Credit Courtesy of Gwen Bell Lot Number X7413.2015