Artifact Details Title Terminator 4508 A System Building Block Catalog Number 102728185 Type Physical object Description Printed circuit board in an aluminum frame with many components that include resistors and capacitors. "4508" etched on frame. Inspection stamps on component side, upper right corner. Date 1965 ca. Manufacturer Digital Equipment Corporation (DEC) Identifying Numbers Other number 4508 Etched on top edge of metal frame. Serial number 0141831 Etched on right side of metal frame, Dimensions overall: 7 in x 4 1/2 in x 1/2 in Category Component/module