Artifact Details Title Control unit model Catalog Number 102783215 Type Physical Object Description The object is a model of an IBM 2821 storage control unit for use with the IBM System/360 family. The IBM 2821 Control Unit attaches card readers, card punches and line printers to the IBM System/360 and IBM System/370 families of computers. Date Circa 1960s Manufacturer International Business Machines (IBM) Identifying Numbers Other number 2821 On a label on the bottom. Dimensions overall: 5 in x 2 3/4 in x 3 3/4 in Category Ephemera/other Credit Gift of John R. Whiting Lot Number X8768.2019 Related Records 102783207 Card punch model 102783216Control unit model 102783217 Display control unit model 102783219Miscellaneous plastic pieces 102783208 Printer model 102783209Printer model 102783210 Printer model 102783211Processor model 102783214 Storage control unit model 102783218Storage control unit model 102783213 Switching unit 102783212Tape control unit model
