Artifact Details Title PDP-8A/400 and PDP-8A/500 Catalog Number 102772803 Type Still image Date 1975 Publisher Digital Equipment Corporation (DEC) Identifying Numbers File number 7478 DEC identification number Format Contact sheet Category Trial proofs; Snapshots Collection Title Digital Equipment Corporation records Series Title Still images: Archival proofs Credit Gift of Hewlett-Packard Company Lot Number X2675.2004