Artifact Details Title 2720 current calibrator Catalog Number 102763794 Type Still image Date 1966-11-29 Publisher Digital Equipment Corporation (DEC) Identifying Numbers File number 3243 DEC identification number Format Contact sheet; Print Category Trial proofs; Snapshots; Publicity photographs Collection Title Digital Equipment Corporation records Series Title Still images: Archival proofs Credit Gift of Hewlett-Packard Company Lot Number X2675.2004