Computer Hardcopy Output Recording System (CHORS) manuals
Lawrence Livermore National Laboratory (LLNL)
CHORS was a system that provided for direct file access from LLNL's mainframe computers to the output processing devices. These folders contain CHORS system operator's manuals, reference guides, shelf operations manuals, program routines, and component manuals, including manuals for the FR-80 and NIP printer.
George A. Michael papers
Lawrence Livermore National Laboratory records: Manuals and specifications