Artifact Details Title Relay 1807A System Building Block Catalog Number 102692668 Type Physical object Description There is a tag that reads: "User: Palo Alto; Date: AUG 16 1965; Describe Fault: Bad Relay - 8 back check out". There is a text accompanying the module, which consists of a datasheet and a fault description sheet. Date 1963 ca. Manufacturer Digital Equipment Corporation (DEC) Identifying Numbers Model number 1807A Part number 1807 Serial number 0192747 Dimensions overall: 1/2 in x 7 in x 4 1/2 in Category Component/module