Dear Community, Free to a good home (knowledgeable collector): Grinnell GMR270 Image Processing System with documentation Location: Manhattan I took some pictures of the Grinnell GMR270 and put them here: http://134.74.16.64/wwwa/web/hardware/grinnell/ It comes with documentation and the card to interface with a PDP-11 Qbus. It also comes with an RGB monitor. -kurt