Artifact Details Title Circuit Board Catalog Number 102728563 Type Physical object Description This circuit board consists of many integrated circuits, including 8 40-pin ceramic chips, a DIP switch, two crystal oscillators, resistors, capacitors, transistors and diodes. The date "Aug 7 1979" is stamped on the top of component side. Manufacturer Digital Equipment Corporation (DEC) Identifying Numbers Other number 5013827C L0004 Etched on circuit side Dimensions overall: 16 3/4 in x 12 1/2 in x 1/2 in Category Component/circuit board