Artifact Details Title Read-Write Switch 1984-A System Building Block Catalog Number 102692467 Type Physical object Description There is a blue stain on the wiring side. There are black dots on both sides of the part number, and there is a "T" scratched in front of it. A tag attached to the object reads "Reject marked board". Date 1963 ca. Manufacturer Digital Equipment Corporation (DEC) Identifying Numbers Model number 1984-A Part number 1984 Serial number 0013004 Dimensions overall: 1/2 in x 7 in x 4 1/2 in Category Component/module