Artifact Details Title Magnetic Shift Register Catalog Number 102682573 Type Physical object Description The board has yellow cubes marked "CK" "A-56" (MK X). Identifying Numbers Other number 2 Inkstamped on wiring side Dimensions overall: 5/8 in x 9 1/2 in x 2 in Category Component/module Credit Gift of Charles Crocker Lot Number X801.86