Artifact Details Title Inverter S6105J System Building Block Catalog Number 102692586 Type Physical object Description A red sticker attached to the side reads "Model 4105 J Vendors - Date 12-22-66". The other side has a quality control sticker. There is label attached to the PCB with reads: "6105- Board - 4105 frame". Date 1965 ca. Manufacturer Digital Equipment Corporation (DEC) Identifying Numbers Model number S6105J Part number 4105 Serial number 0292236 Dimensions overall: 1/2 in x 7 in x 4 1/2 in Category Component/module