Artifact Details Title Plugboard Control Panel for IBM 557 interpreter Catalog Number X1640.99AH Type Physical object Description Label: "A7 Check reconciliation keypunched E1, L1 E2, L13" Label is coming off and will soon be detached completely Date 1950 Manufacturer International Business Machines Corporation (IBM) Place Manufactured U.S. Dimensions 2 5/8 x 12 3/4 x 11 1/4 in. Category I/O: console / panel Credit Gift of Valeo Corporation Lot Number X1640.99