Artifact Details Title 70 nanosecond PA 2.5 MC System Building Block Catalog Number 102656153 Type Physical object Date 1963 Manufacturer Digital Equipment Corporation (DEC) Place Manufactured U.S. Identifying Numbers Serial number 0287530 Dimensions 1/2 x 4 1/2 x 7 1/4 in. Category Component: circuit board / module Lot Number X2340.2002