Artifact Details Title Plugboard Catalog Number 102668354 Type Physical object Description This plugboard has white printed lettering and numbering along the wooden grid. At each end two metal nails hold the grid in place. The back is covered by many male interfaces. Manufacturer International Business Machines Corporation (IBM) Identifying Numbers Model number 901 Inlaid at the top of the plugboard Dimensions overall: 10 1/2 in x 6 1/4 in x 1 1/4 in Category Memory/connector / plugboard Collection Title SAP Collection Credit SAP Collection, Computer History Museum Lot Number X3709.2007