Artifact Details Title Diode Gate Catalog Number 102710952 Type Physical object Description This board, mounted in an aluminum frame, has 22 pins across the back edge. There is a tag attached to the front of the frame reading, "System Building Blocks Digital Equipment Corporation" Manufacturer Digital Equipment Corporation (DEC) Identifying Numbers Other number 1-70 On back edge of the baord near the pins Other number 4118 On the front edge of the aluminium frame Other number 4118C On back edge of the baord near the pins Dimensions overall: 1/2 in x 4 1/2 in x 7 in Category Component/module