Artifact Details Title SLT Board Catalog Number 102715975 Type Physical object Description Object is a SLT (Solid Logic Technology) board which was the third level building block (module on card on board) used to package logic for IBM's System/360 product line. Date 1965 ca. Manufacturer International Business Machines (IBM) Place Manufactured U.S. Identifying Numbers Other number 00025202 Etched on wiring side Other number 5810 2345 351 Silk screened on wiring side Other number 805810742 Etched on wiring side Dimensions overall: 5/8 in x 13 1/4 in x 8 7/8 in Category Component/module Credit Gift of James P. Martin Lot Number X5246.2009