Artifact Details Title "DIGITAL" label Digital-1-22A-M-HBL Maindec 14A Typewriter Catalog Number 102652728 Type Software Description Cover of original tape tray read as follows: PDP-1 Working Tapes Box 1 MAINDEC 1-32 System Requirements DEC PDP-1 Format Paper tape Series Title PDP-1 / Software / Paper Tape Lot Number X3602.2006