Artifact Details Title Whirlwind core memory Catalog Number 102680773 Type Still Image Description Black and white image of Whirlwind core plane . Verso: "Core Memory Plane from the Whirlwind. In 1963 Jay Forrester developed core memory, a random access magnetic memory that was used on most computers until the mid-seventies." Publisher The Computer Museum Place of Publication Boston, MA, US Dimensions overall: 4 in x 6 in Category Postcard Credit Courtesy of Gwen Bell Lot Number X7413.2015