Index of /pdf/dec/pdp1/apertureCard/PDP-1D
       _______________________________
       
   DIR /pdf/dec/pdp1/apertureCard
   DIR 00
   DIR 45
   DIR 48
  TEXT _DrawingIndex.txt
       PDP-1D-45_engrDrws.pdf
       PDP-1D-48_engrDrws.pdf